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Benzyl Alcohol, CAS 100-51-6 — chemical product label

Benzyl Alcohol

Phenylmethanol

CAS 100-51-6 EC 202-859-9 C7H8O Alcohol SDS published CLP Warning
MolGod_SDSCARD_1
REACH 2020/878
v1 · 15.09.2026

Specification

Product NameBenzyl Alcohol
Other NamesPhenylmethanol
CAS No.100-51-6
EINECS No.202-859-9
MFC7H8O
Molecular weight108.14
Purity99.50%min
AppearanceColorless transparent liquid
Density1.045 g/cm³ (20°C)
Melting point-15 °C
Boiling point205 °C
Flashing point100°F

Values are typical for the standard grade. Tighter specifications are available — state the target in your inquiry and we confirm against the production batch.

Hazard classification

GHS pictogram GHS07 — Irritant / harmful

Warning

Harmonised classification (EU) — ECHA Annex VI (harmonised, ATP 23; 2026-07-07)

  • H302 Harmful if swallowed
  • H319 Causes serious eye irritation
  • H317 May cause an allergic skin reaction
Precautionary statements (2)
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking
Full safety data sheet CLP label (EN)

European Chemicals Agency. "benzyl alcohol, Index No. 603-057-00-5." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

Substance identity verified against the registry entry on 2026-09-02.

Packaging and shipping

Drum210 kg
IBC Drum900 kg
ISO tank (20ft)20 m³
ISO tank (40ft)40 m³
Benzyl Alcohol
Benzyl Alcohol
Benzyl Alcohol
Benzyl Alcohol
Benzyl Alcohol

Benzyl Alcohol is a colorless transparent liquid with a mild aromatic odor. It has low volatility, good stability, and excellent solvency, making it a widely used industrial solvent, preservative, and chemical intermediate. It is partially soluble in water and compatible with many organic solvents, resins, and polymers.

It is extensively applied in coatings, inks, adhesives, cosmetics, and pharmaceuticals. It acts as a solubilizer, diluent, and low-volatility co-solvent to improve leveling, flexibility, and drying performance. In personal care and pharma products, it functions as a preservative and disinfectant. With high purity and low impurity content, our benzyl alcohol ensures stable performance for industrial and formulation applications.

High Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supplyHigh Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supplyHigh Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supply

High Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supply

Product Description

Benzyl Alcohol is a colorless transparent liquid with a faint aromatic odor. It has low volatility, good stability, high solvency and mild chemical properties, making it a widely used multifunctional raw material in coatings, inks, cosmetics,

 pharmaceuticals and organic synthesis. It is slightly soluble in water and miscible with most organic solvents, resins, oils and polymers, ensuring good compatibility in various formulations.

In coatings and inks, benzyl alcohol acts as a high-boiling co-solvent and leveling agent, improving film smoothness, adhesion and flexibility while reducing volatilization speed and avoiding defects such as pinholes and cracking.

 In cosmetics and personal care, it serves as a preservative, solvent and fragrance fixative, extending product shelf life and enhancing stability. In pharmaceuticals, it is used as a bacteriostatic agent and solvent for injections, topical creams and ointments. It is also widely applied in adhesives, dyes, plasticizers and electronic cleaning agents.

For usage, it is usually added directly into formulations at a ratio of 2%–15% according to different applications. It should be stored in a cool, dry and ventilated area, 

sealed tightly and kept away from oxidizing agents and strong acids to ensure stable quality during transportation and storage.

High Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supply

High Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supply

Delivery&Payment method

High Purity Benzyl Alcohol | Widely used in coatings, inks, cosmetics, pharmaceuticals & preservatives | Stable quality & supply

Frequently asked

In what packaging is Benzyl Alcohol shipped?

Standard formats are Drum (210 kg), IBC Drum (900 kg), ISO tank (20ft) (20 m³), ISO tank (40ft) (40 m³). Other packaging can be arranged for full-container orders.

Is a safety data sheet available for Benzyl Alcohol?

Yes. A full safety data sheet for CAS 100-51-6 is published and linked from this page; a signed copy is issued with the shipping documents.

What purity do you supply?

The standard grade is 99.50%min. Tighter specifications are confirmed against the production batch before shipment.

Related products

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L-Menthol

Levomenthol, L-Menthan-3-ol

CAS 2216-51-5 99.0%min Alcohol Warning
N-Butanol

N-Butanol

1-Butanol

CAS 71-36-3 99.50% Alcohol Danger
Methyl Propanediol

Methyl Propanediol

2-Methyl-1,3-Propanediol (MPO)

CAS 2163-42-0 99.50% Alcohol
🧬 3D分子可视化器
正在加载分子...
3D模型Benzyl Alcohol，CAS 100-51-6，分子式C7H8O, 摩尔质量 108.14 g/mol

数据转录自法规登记册和专业文献，并注明来源与版本。不能替代供应商的安全数据表。未记录来源的字段已作相应标注。

📊 物理化学数据 — CAS 100-51-6MolGod_PROPHUB_MAIN
📊 物理化学性质

快速参考

化学式： C7H8O
分子量： 108.14 g/mol
CAS号： 100-51-6
🔬 高级属性

化学标识符

SMILES: C1=CC=C(C=C1)CO

最后更新： 未确认

化学概述: Benzyl AlcoholMolGod_OVERVIEW_1
分子式C7H8O[1]
分子量108.14 g/mol[1]
熔点-15.2 °C[1][2]
沸点205.3 °C[1][2]
密度1.04 g/cm³[3]
LogP（亲脂性）1.1[1]
IUPAC名称phenylmethanol[1]
SMILESC1=CC=C(C=C1)CO[1]
InChIKeyWVDDGKGOMKODPV-UHFFFAOYSA-N[1]

同义词: benzyl alcohol · phenylmethanol · 100-51-6 · benzenemethanol · phenylcarbinol

数据来源： PubChem (NLM/NIH)
最后更新： 2026-09-21

📚 科学参考文献（芝加哥作者-日期格式） (3 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: 分子式 · 分子量 · 熔点 · 沸点 · LogP（亲脂性） · IUPAC名称 · SMILES · InChIKey
  2. NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. ↗ applies to: 熔点 · 沸点
  3. DECHEMA, PTB, and BAM. CHEMSAFE - Database of Evaluated Safety Characteristics for the Avoidance of Explosions. Frankfurt am Main: DECHEMA e.V.; Braunschweig/Berlin: Physikalisch-Technische Bundesanstalt and Bundesanstalt fur Materialforschung und -prufung. ↗ applies to: 密度

科学研究

[1]PubMed2026
Benzyl Alcohol: Allergen of the Year 2026.
Le NT, Wu PA. (2026). "Benzyl Alcohol: Allergen of the Year 2026.". Dermatitis : contact, atopic, occupational, drug. https://doi.org/10.1177/17103568251386038
查看完整研究 ↗
[2]PubMed2023
Occupational contact allergy to benzyl alcohol in epoxy hardeners.
Pesonen M, Ylinen K, Suomela S et al.. (2023). "Occupational contact allergy to benzyl alcohol in epoxy hardeners.". Contact dermatitis. https://doi.org/10.1111/cod.14415
查看完整研究 ↗
[3]PubMed2023
Tailoring Galactose Oxidase for Self-Powered Benzyl Alcohol Sensing.
Chen H, Liu W, Chang L et al.. (2023). "Tailoring Galactose Oxidase for Self-Powered Benzyl Alcohol Sensing.". Chemistry (Weinheim an der Bergstrasse, Germany). https://doi.org/10.1002/chem.202300052
查看完整研究 ↗
[4]PubMed2022
Allergic contact dermatitis from benzyl alcohol in hydrocortisone cream.
Xiong M, Peterson MY, Hylwa S. (2022). "Allergic contact dermatitis from benzyl alcohol in hydrocortisone cream.". Contact dermatitis. https://doi.org/10.1111/cod.14042
查看完整研究 ↗
[5]PubMed2017
Safety Assessment of Benzyl Alcohol, Benzoic Acid and its Salts, and Benzyl Benzoate.
Johnson W, Bergfeld WF, Belsito DV et al.. (2017). "Safety Assessment of Benzyl Alcohol, Benzoic Acid and its Salts, and Benzyl Benzoate.". International journal of toxicology. https://doi.org/10.1177
查看完整研究 ↗
[6]PubMed2015
RIFM fragrance ingredient safety assessment, Benzyl alcohol, CAS Registry Number 100-51-6.
Api AM, Belsito D, Bhatia S et al.. (2015). "RIFM fragrance ingredient safety assessment, Benzyl alcohol, CAS Registry Number 100-51-6.". Food and chemical toxicology : an international journal publis
查看完整研究 ↗
[7]PubMed2012
Fragrance material review on benzyl alcohol.
Scognamiglio J, Jones L, Vitale D et al.. (2012). "Fragrance material review on benzyl alcohol.". Food and chemical toxicology : an international journal published for the British Industrial Biologica
查看完整研究 ↗
[8]Europe PMC1989
NTP Toxicology and Carcinogenesis Studies of Benzyl Alcohol (CAS No. 100-51-6) in F344/N Rats and B6C3F1 Mice (Gavage…
(1989). "NTP Toxicology and Carcinogenesis Studies of Benzyl Alcohol (CAS No. 100-51-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).".
查看完整研究 ↗
📚 科学参考文献（芝加哥作者-日期格式） 8 refs · 2 baz

MOLECULE 按CAS号参考文献（实时来自13+数据库）

来源： db:pubmed (7) · db:Europe PMC (1)

  1. db:pubmed Le NT, Wu PA. (2026). "Benzyl Alcohol: Allergen of the Year 2026.". Dermatitis : contact, atopic, occupational, drug. https://doi.org/10.1177/17103568251386038 →
  2. db:pubmed Pesonen M, Ylinen K, Suomela S et al.. (2023). "Occupational contact allergy to benzyl alcohol in epoxy hardeners.". Contact dermatitis. https://doi.org/10.1111/cod.14415 →
  3. db:pubmed Chen H, Liu W, Chang L et al.. (2023). "Tailoring Galactose Oxidase for Self-Powered Benzyl Alcohol Sensing.". Chemistry (Weinheim an der Bergstrasse, Germany). https://doi.org/10.1002/chem.202300052 →
  4. db:pubmed Xiong M, Peterson MY, Hylwa S. (2022). "Allergic contact dermatitis from benzyl alcohol in hydrocortisone cream.". Contact dermatitis. https://doi.org/10.1111/cod.14042 →
  5. db:pubmed Johnson W, Bergfeld WF, Belsito DV et al.. (2017). "Safety Assessment of Benzyl Alcohol, Benzoic Acid and its Salts, and Benzyl Benzoate.". International journal of toxicology. https://doi.org/10.1177/1091581817728996 →
  6. db:pubmed Api AM, Belsito D, Bhatia S et al.. (2015). "RIFM fragrance ingredient safety assessment, Benzyl alcohol, CAS Registry Number 100-51-6.". Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. https://doi.org/10.1016/j.fct.2015.09.005 →
  7. db:pubmed Scognamiglio J, Jones L, Vitale D et al.. (2012). "Fragrance material review on benzyl alcohol.". Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. https://doi.org/10.1016/j.fct.2011.10.013 →
  8. db:Europe PMC (1989). "NTP Toxicology and Carcinogenesis Studies of Benzyl Alcohol (CAS No. 100-51-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).".
物质监管状态
该物质受监管要求约束： 危险废物管理（BDO登记册）. 详细信息请参见“法规状态（REACH/ECHA/CLP）”章节及安全数据表。 监管信息——不限制在本店购买。
🧮 化学计量计算器MolGod_STOICH_1
🧪 化学数据MolGod_CHEMDATA_1
CAS号
100-51-6
分子式
C7H8O
摩尔质量
108.14 g/mol
IUPAC名称 (EN)
phenylmethanol
SMILES
C1=CC=C(C=C1)CO
InChIKey
WVDDGKGOMKODPV-UHFFFAOYSA-N
📚 Literatura naukowa (9 产品)MolGod_LITSCI_1
Xiao-Li Sun, Dong-Ming Liu, Di Tian et al. · (2017) · Nature Communications
Supanan Ampawa, Chanin Kethong, Jiraya Kiriratnikom et al. · (2018) · ChemistrySelect
筛选：
排序：
📈 出版时间线
1989
2013
2015
2017
2018
2023
2024
📡 Data sourcesMolGod_SOURCES_1

The data in this widget comes from the following verified scientific sources:

  • PubChem — National Center for Biotechnology Information (NCBI/NIH), USA
  • ChEMBL — European Bioinformatics Institute (EMBL-EBI), UK
  • NIST WebBook — National Institute of Standards and Technology, USA

Data is cached locally for speed — the widget also works offline.

⚗️ Physicochemical propertiesMolGod_PHYSTAB_2
Temp. wrzenia
204.9
Temp. topnienia
-16.2
Density
1.042

Source: PubChem, NIST WebBook. Last updated: date not confirmed

🔍 外部标识符MolGod_EXTID_1
15 / 16个ID系统94%
数据库标识符操作
CAS Registry Number100-51-6打开 →
PubChem CID244[1]打开 →
InChIKeyWVDDGKGOMKODPV-UHFFFAOYSA-N[1]打开 →
InChIInChI=1S/C7H8O/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2[1]
SMILESC1=CC=C(C=C1)CO[1]
EC Number202-859-9[2]打开 →
ChEMBLCHEMBL720[3]打开 →
DrugBankDB06770打开 →
KEGG CompoundD00077打开 →
HMDBHMDB0003119打开 →
ChemSpider13860335[4]打开 →
MeSH UID (NLM)D019905打开 →
UNII (FDA)LKG8494WBH打开 →
NSC Number (NCI)8044打开 →
WikiData QIDQ52353打开 →

来源：PubChem (NIH)、Wikidata SPARQL、KEGG、ChEMBL (EBI)、CompTox CTX (EPA)。

📚 科学参考文献（芝加哥作者-日期格式） (4 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: PubChem CID · InChIKey · InChI · SMILES
  2. ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. ↗ applies to: EC Number
  3. ChEMBL. European Bioinformatics Institute (EMBL-EBI), bioactivity database. ↗ applies to: ChEMBL
  4. ChemSpider. Royal Society of Chemistry, chemical structure database. ↗ applies to: ChemSpider

Further reading

Publications thematically related to this CAS. They are not the source of any value shown on this card.

扩展参考文献 (2)

  1. ★★☆☆☆ CROSSREF 🔓 开放 ❓ 未验证 Anonymous. "Benzyl Alcohol.". https://doi.org/10.31003/fcc_f101139_02_01. 链接 [访问日期: 2026-09-02]
  2. ★☆☆☆☆ OPENLIBRARY 🔓 开放 David Israel Macht. 1918. "A pharmacological and therapeutic study of benzyl alcohol as a local anesthetic." 链接 [访问日期: 2026-09-21] CC0 (metadata)
📡 光谱学 — CAS 100-51-6MolGod_SPECHUB_MAIN
📊 光谱数据库 — 内联数据 9 来源 MolGod_SPECDB_2

光谱按需从9个来源获取。每个光谱都存储在我们的数据库中 — 下次打开时无需向外部API发出请求。无需搜索即可为每个光谱下载JCAMP-DX / CSV / PNG。

IR IR (Infrared) — NIST WebBook
Public domain (US Federal)
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MS (NIST) Mass Spectrum (EI) — NIST WebBook
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UV-Vis UV/Visible Absorption — NIST WebBook
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📚 Steinbeck C et al. (2003) J. Chem. Inf. Comput. Sci. 43(1):10–16 DOI: 10.1021/ci025588g
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📚 MassBank of North America (UC Davis) DOI: 10.1002/jms.1777
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Free for non-commercial

参考来源 — 无公共API。在外部数据库中打开：

🔗 IR/NMR/MS (SDBS) →
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JP Monograph Japanese Pharmacopoeia — Monographs
Reference only

参考来源 — 无公共API。在外部数据库中打开：

🔗 JP Monograph →
📚 Japanese Pharmacopoeia 18th Edition (2021)
WHO INN WHO — International Nonproprietary Names
WHO Model Lists (free)

参考来源 — 无公共API。在外部数据库中打开：

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📚 WHO INN Programme
DOAJ DOAJ — Directory of Open Access Journals
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参考来源 — 无公共API。在外部数据库中打开：

🔗 DOAJ →
📚 DOAJ — doaj.org

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结构性质MolGod_STRUCT3D_1

正在加载结构数据...

❓ 常见问题 (12)MolGod_FAQ_1
What is Benzyl Alcohol?
Benzyl Alcohol (CAS 100-51-6) is a chemical compound with the molecular formula C7H8O and a molecular weight of 108.14 g/mol. The chemical data comes from PubChem (National Institutes of Health, USA).
有帮助吗？
What is the CAS number of Benzyl Alcohol?
The CAS number for Benzyl Alcohol is 100-51-6. A CAS Registry Number is the standard identifier for a chemical substance in scientific literature and in trade.
有帮助吗？
What is the chemical formula of Benzyl Alcohol?
The molecular formula of Benzyl Alcohol is C7H8O. Its molecular weight is 108.14 g/mol.
有帮助吗？
What is the melting point of Benzyl Alcohol?
The melting point of Benzyl Alcohol is -15.8731.
有帮助吗？
What is the boiling point of Benzyl Alcohol?
The boiling point of Benzyl Alcohol is 205.0308.
有帮助吗？
What is the density of Benzyl Alcohol?
The density of Benzyl Alcohol is 1.0461.
有帮助吗？
What are the physicochemical properties of Benzyl Alcohol?
Physicochemical properties of Benzyl Alcohol are available in the chemical data section on the product page.
有帮助吗？
What is 100-51-6?
100-51-6 (CAS 100-51-6) is a chemical compound. The chemical data comes from PubChem (National Institutes of Health, USA).
有帮助吗？
What is the CAS number of 100-51-6?
The CAS number for 100-51-6 is 100-51-6. A CAS Registry Number is the standard identifier for a chemical substance in scientific literature and in trade.
有帮助吗？
Is Benzyl Alcohol hazardous?
Benzyl Alcohol carries the GHS classification: Array, Array, Array, Warning, https://pubchem.ncbi.nlm.nih.gov/compound/244#section=Safety-and-Hazards. Read the safety data sheet before use and follow the handling precautions it states.
有帮助吗？
How should Benzyl Alcohol be stored?
Benzyl Alcohol should be stored as its safety data sheet directs \— typically in a dry, cool, well-ventilated place, away from heat and from materials it is incompatible with.
有帮助吗？
How should 100-51-6 be stored?
100-51-6 should be stored as its safety data sheet directs \— typically in a dry, cool, well-ventilated place, away from heat and from materials it is incompatible with.
有帮助吗？
➕ 建议问题
下载结构文件MolGod_STRDL_1

来自PubChem数据库（NIH）的分子结构文件。兼容Avogadro、PyMOL、Jmol和ChemDraw等程序。

来源：PubChem，美国国家医学图书馆（NIH）。 CID: 244

🔄 浓度单位转换器 实时 MolGod_UNITCONV_1

输入Benzyl Alcohol浓度（任意单位），其余将自动计算。

分子量： 108.14 g/mol · IUPAC Gold Book ↗

⚗️ 转换公式及引用（每个公式）
转换分子式准确度来源
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarityc (mol/L) = (g/L) / MW±0.1% (depends on MW precision)Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 参考文献（8个权威来源）
  1. Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008
    → Primary SI standard for US scientific usage
  2. Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7
    → Canonical IUPAC guide for chemistry quantities/units
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗
    → General rules for physical quantities and units
  5. ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗
    → Concentration / molality / amount-of-substance conventions
  6. Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010
    → Avogadro, gas constant, molar volume (2019 SI revision)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5
    → Historical predecessor of IUPAC Green Book
相似分子结构MolGod_SIMSTR_1

正在加载相似结构...

🧪 溶液制备向导 WIZARD MolGod_PREP_1
① 选择浓度
② 目标体积
③ 溶剂

计算依据： IUPAC Gold Book ↗, Merck ↗

计算化学MolGod_COMPCHEM_1

正在加载计算数据...

🛡️ 安全 — CAS 100-51-6MolGod_SAFEHUB_MAIN
数据限制说明。 本页安全信息仅供参考，不能替代完整的安全数据表（SDS）。使用产品前，请查阅制造商当前的安全数据表以及GHS/CLP指南。CLP分类适用于纯散装物质，不适用于商业制剂。

GHS/CLP分类——(EC) No 1272/2008法规 + UN GHS Rev. 9 (2021)。

⚠ 警告 (Warning)
GHS07 — 刺激性/有害
GHS07 刺激性/有害

🚨 危险说明（H）

  • H302 — 吞咽有害
  • H319 — 造成严重眼刺激
  • H317 — 可能导致皮肤过敏反应

🛡 防范说明（P）

  • P261 — 避免吸入粉尘/烟/气体/气雾/蒸气/喷雾。
  • P210 — 远离热源、热表面、火花、明火和其他点火源。禁止吸烟。

✓ 根据CLP法规(EC) 1272/2008附件VI的统一分类（官方、具有约束力的分类）。 索引号：603-057-00-5。

参考文献（芝加哥格式）： European Chemicals Agency. "benzyl alcohol, Index No. 603-057-00-5." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

翻译：CLP 法规 (EC) 1272/2008，附件 III 和 IV。数据：PubChem/NLM。

📚 综合科学参考文献 — Chicago Author-Date 10 来源

从所有Safety Hub选项卡收集的参考文献。CAS号： 100-51-6 · PubChem ↗

  1. Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗] GHS，法规
  2. United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗] GHS
  3. Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8. Pierwsza pomoc, Toksykologia
  4. National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗] Pierwsza pomoc, PPE, Toksykologia
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗] Toksykologia

具有自身参考文献的选项卡（紧急情况、个人防护装备、储存、废物）在其各自章节中包含额外的书目条目。

📈 分析统计（t检验·RSD·Grubbs·Q-Dixon） ICH Q2

粘贴一系列重复测量结果（CSV或每行一个数字）。计算器将计算平均值、标准差和95%置信区间，并检测异常值（Grubbs + Dixon Q）。

分隔符：逗号、空格、制表符、换行。至少3个测量值。
📐 统计公式
  • x̄ = Σxᵢ / n — 算术平均值
  • s² = Σ(xᵢ - x̄)² / (n-1) — 样本方差
  • s = √s² — 标准差
  • RSD% = (s / x̄) × 100% — 相对标准差
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — Grubbs检验
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

来源：ICH Q2(R2) 分析方法验证 · ICH PDF ↗

🧪 缓冲液配方计算器 唯一
参考文献： pKa值来自 Goldberg NIST 81 · CRC Handbook 100th ed. · Stoll & Blanchard 1990 (DOI)

从 20 种常用缓冲体系列表中选择 → 输入目标 pH → 获得精确配方，包括称量质量。

步骤 1：选择缓冲体系

📜 配方历史记录（最近 10 条）
药物状态

Lek zatwierdzony (Faza 4)

I期
II期
III期
已批准

已获监管机构批准上市。

ChEMBL CHEMBL720 ↗

扩展参考文献 (2)

  1. ★★☆☆☆ CROSSREF 🔓 开放 ❓ 未验证 Anonymous. "Benzyl Alcohol.". https://doi.org/10.31003/fcc_f101139_02_01. 链接 [访问日期: 2026-09-02]
  2. ★☆☆☆☆ OPENLIBRARY 🔓 开放 David Israel Macht. 1918. "A pharmacological and therapeutic study of benzyl alcohol as a local anesthetic." 链接 [访问日期: 2026-09-21] CC0 (metadata)
🚚 运输分类（ADR / IATA / IMDG） Nie przypisano
UN编号
Nie przypisano
Not classified as a dangerous good for transport (ADR/IMDG/IATA)
Alkohol benzylowy — zweryfikowano brak przypisania UN (klasyfikacja CLP: H302/H319/H317).
来源: Karta SDS sek.14 (kanon zmaterializowany)

🛣️ ADR 公路运输

类别:
包装组:
运输名称:
Not classified as a dangerous good for transport (ADR/IMDG/IATA)

来源： ADR 2025 ↗ · IATA DGR ↗ · IMDG Code ↗

📅 项目规划器——实验室实验管理器 新品

规划您的整个实验室项目：添加实验（含试剂、重复次数和持续时间）。您将获得甘特图、购物清单（含商店链接！）、预算（含10%余量）和GHS风险矩阵。

🧪 溶解性和溶剂兼容性 MolGod_SOLUB_1
分子
Benzyl Alcohol
分子式
C7H8O
logP (XLogP3)
1.10
摩尔质量（g/mol）
108.14
极性
中等

⚠️ 基于Hansen参数（δD/δP/δH）的兼容性——文献值。指示性数据；请通过实验验证。

Ra < R₀ = good miscibility · Ra < 1,5×R₀ = borderline · above = poor (R₀ — radius of the Hansen sphere of this molecule) For this molecule R₀ = 8.5.

溶剂 兼容性 Ra 可视化 GC-MS HPLC 应用 参考文献
Water (H₂O)42.9 g/L (pomiar)30.8
✗ NieA (aqueous) (RP)
buffercell cultureanalyticalextraction (hydrophilic)
Ethanol (EtOH)+ 良好8.1
✗ NieA/B modifier (RP/NP)
extractionspectroscopy (UV-Vis)synthesisHPLC modifier
Methanol (MeOH)~ 平均12.4
✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent to 205 nm
Acetone~ 平均9.8
✗ NieB modifier (NP)
GC headspacecrystallisationdegreasingsynthesis
Acetonitrile (ACN)− 差15.3
✗ NieB (RP) (RP)
HPLC eluent (gold standard)LC-MS (low UV cut-off, 190 nm)peptide analysis
DMSO~ 平均10.7
✗ NieN/A (N/A)
NMR (d6-DMSO)cell biology (cryopreservation)drug deliverysynthesis
THF+ 良好6.6
✗ NieB (NP) (NP)
GPC/SEC (polymer analysis)Grignard synthesisorganometallics
DCM (CH₂Cl₂)+ 良好7.6
✓ TakB (NP) (NP)
extractionNP-HPLCGC-MScrystallisation (anti-solvent)
Chloroform (CHCl₃)~ 平均8.7
✓ TakN/A (toxic) (N/A)
NMR (CDCl3)lipid extraction (Folch method)NP-TLC
Hexane− 差16.6
✓ TakA (NP) (NP)
NP-HPLCoil extraction (lipids)GC-MSTLC (NP)
Toluene~ 平均12.7
✓ TakB (NP) (NP)
NMR (d8-toluene)synthesisazeotropic drying (Dean-Stark)
📚 溶剂科学参考文献（芝加哥作者-日期格式）——点击展开

11 solvents · 54 full citations (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS) — below.

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
溶解性理论（应用于相容性预测）：
  1. Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP三元组（dD, dP, dH）+ Ra公式。
  3. Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
  5. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
  6. Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — 250+溶剂的完整表格数据集（ε、μ、供体数、受体数）。
  8. PubChem Compound Database — CAS 100-51-6 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

完整参考文献位于页面底部的参考文献折叠面板——芝加哥格式手册第17版作者-日期格式。

⚗️ 检查反应兼容性 MolGod_RXNCOMP_1
2 0 0
健康： 2/4
易燃性： 0/4
反应性： 0/4
根据NFPA 704 / 由H代码计算

检查Benzyl Alcohol是否与另一种试剂兼容

📦 储存兼容性矩阵
酸类 碱 氧化剂 易燃 毒性 Gazy
酸类 ✓ ✗ ✗ ✗ ⚠ ✗
碱 ✗ ✓ ⚠ ⚠ ⚠ ⚠
氧化剂 ✗ ⚠ ✓ ✗ ⚠ ✗
易燃 ✗ ⚠ ✗ ✓ ⚠ ✗
毒性 ⚠ ⚠ ⚠ ⚠ ✓ ⚠
Gazy ✗ ⚠ ✗ ✗ ⚠ ✓
✓ 可一起储存 · ⚠ 谨慎 · ✗ 禁止一起储存 · OSHA Chemical Segregation ↗

兼容性数据来源： Bretherick's Handbook (7th ed.) ↗, GESTIS ↗, ECHA REACH ↗, NFPA 704 ↗

🧮 实验室计算器（8个） MolGod_LABCALC_1
稀释（C₁V₁=C₂V₂）
摩尔浓度（M=n/V）
pH缓冲液（Henderson-Hasselbalch）
Beer-Lambert（A=εcl）
质量→摩尔
浓度%→M
ppm→mg/L
温度 C↔F↔K

已验证的配方： IUPAC Gold Book ↗, DOI ↗

📊 光谱数据库 MolGod_SPECDB_3
📋 实验室方案生成器 MolGod_PROTOCOL_1

方案基于以下内容生成： GHS SDS, Aldrich Lab Guide ↗

🏷️ 标签生成器（QR码） MolGod_LABEL_1
苯甲醇• benzyl alcohol / phenylmethanol• IUPAC: phenylmethanol• CAS: 100-51-6• EC: 202-859-9• 分子式: C7H8O• 摩尔质量: 108.14 g/mol警告GHS危险说明：H302 H319 H317P210 P261仅供实验室使用！Anhui Eapearl Chemical Co., Ltd.12th Floor, Tongguan Number Valley, Tongling, Anhui, China+86 186 5620 1888[email protected]epchems.com
Deskryptory Lipinskiego (struktura)
正在加载ADMET预测…
🧪 溶液配制助手（Smart Prep） MolGod_PREP_2

输入您要制备的内容——我将生成SOP

示例如下——点击插入：
预设配方：
📚 科学文献概览 — CAS 100-51-6MolGod_LITHUB_MAIN
⭐ 关键发现（科学文献） 15 出版物
🏆 CAS 100-51-6 — multi-criteria ranking (W12): 30%引用·20%近期性·20%主题·15%历史·15%开放获取.
  1. #1
    Cheng Wang, Zirui Qiao, Yulan Tian et al. (2023) · iScience
    重要性： 近期（2023） · open access
    SCORE 9.28 机制 Citations: 5 Open Access DOI ↗
  2. #2
    Gemmecker Y, Winiarska A, Hege D et al. (2024) · Applied microbiology and biotechnology
    重要性： 近期（2024） · open access
    SCORE 7.05 机制 Open Access DOI ↗ PubMed ↗
  3. #3
    et al. (2018) · Inorganic Chemistry
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    SCORE 5.74 机制 Citations: 12 DOI ↗ PubMed ↗
  4. #4
    et al. (2024) · Organic & Biomolecular Chemistry
    重要性： 近期（2024）
    SCORE 5.7 机制 Citations: 1 DOI ↗ PubMed ↗
  5. #5
    R.L. Whitehouse, O.V. Ilyichova, A.J. Taylor (2022) · Worldwide Protein Data Bank
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    SCORE 5.2 机制 DOI ↗
  6. #6
    Ye-Fei Li, Zhi-Pan Liu (2013) · Phys. Chem. Chem. Phys.
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
    SCORE 4.94 机制 Citations: 11 DOI ↗
  7. #7
    Supanan Ampawa, Chanin Kethong, Jiraya Kiriratnikom et al. (2018) · ChemistrySelect
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
    SCORE 4.5 机制 Citations: 4 DOI ↗
  8. #8
    et al. (2015) · Food and Chemical Toxicology
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
    SCORE 4.21 机制 Citations: 7 DOI ↗ PubMed ↗
  9. #9
    K. Lan, X.-L. Chen (2006) · Zeitschrift für Kristallographie - New Crystal Structures
    重要性： Open access
    SCORE 3.85 机制 Open Access DOI ↗
  10. #10
    K. Lan, X.-L. Chen (2006) · Zeitschrift für Kristallographie - New Crystal Structures
    重要性： Open access
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  11. #11
    (1989)
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    SCORE 2.54 机制 Citations: 6 PubMed ↗
  12. #12
    I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
    SCORE 0 机制 DOI ↗
  13. #13
    I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
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  14. #14
    I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
    SCORE 0 机制 DOI ↗
  15. #15
    重要性： 通过多标准评分选择（引用+近期性+主题+历史+开放获取）。
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🔬 HPLC — 方法与参数 — CAS 100-51-6MolGod_HPLCHUB_MAIN
📈 HPLC梯度——优化器（LSS） 模板

基于PubChem XLogP3 + LSS（Snyder等人，2010，第9章）的梯度。

  • 色谱柱: C18
  • 缓冲液: phosphate
  • 流速: 1 mL/min
  • logP: 1.1 (PubChem XLogP3)
  • 斜率: 14% → 95% B, 15 min
  • 总分析时间: 28 min
t (min) %A %B flow (mL/min) 备注
0 86 14 1 开始（平衡）
2 86 14 1 初始保持结束
17 5 95 1 LSS 梯度结束
22 5 95 1 色谱柱清洗
23 86 14 1 返回初始条件
28 86 14 1 再平衡
📚 科学参考文献（芝加哥作者-日期格式）
  1. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley. — Chapter 9 — gradient elution, LSS theory (cited as Snyder et al. 2010 in tool description).
  2. Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
  3. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley. — Foundational LSS reference for the %B_init = 5 + 8·logP heuristic implemented here.
  4. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. [DOI ↗] — Modern review of gradient retention models — basis for non-LSS extensions.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  6. Dong, Michael W. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793. — Modern UHPLC gradient programming, sub-2 µm scaling rules.
  7. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
  8. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗] — Reference for orthogonal gradient design (2D-LC second dimension).
  9. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
  10. Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.

REST: /wp-json/molgod/v1/hplc/gradient/100-51-6

📐 色谱柱尺寸 — van Deemter 计算器 N=12,466

公式：H = A + B/u + C·u（Van Deemter等，1956），N = L/H，ΔP ≈ η·L·u / (K_p·dp²)（Knox，1977）。u_opt = √(B/C)（Giddings，1965）。

尺寸150 × 4.6 mm, 5 µm
理论塔板数 (N)12,466
u_opt 时的 N12,500
HETP（理论塔板高度，当前）12.032 µm
最小 HETP12 µm
线速度 (u)0.1003 cm/s
u_opt (van Deemter)0.12 cm/s
背压 (ΔP)42.1 bar
分析时间（死体积）2.49 min
📚 科学参考文献（芝加哥作者-日期格式）
  1. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." Chemical Engineering Science 5: 271-289. https://doi.org/10.1016/0009-2509(56)80003-1 — Original van Deemter equation paper — basis of H = A + B/u + C·u in this calculator.
  2. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory.". Marcel Dekker. — Theoretical underpinning of HETP minimum and u_opt = sqrt(B/C).
  3. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." Journal of Chromatography A 778: 3-21. https://doi.org/10.1016/S0021-9673(97)00376-2 — Speed-efficiency Pareto plot — context for sub-2 µm UHPLC scaling.
  4. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. https://doi.org/10.1002/jssc.200700026 — UHPLC pressure scaling — extends Darcy ΔP formula to sub-2 µm particles.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094 — Modern reinterpretation of A, B, C terms (eddy diffusion vs. b-term).
  6. Knox, John H.. 1977. "Practical aspects of LC theory." Journal of Chromatographic Science 15: 352-364. https://doi.org/10.1093/chromsci/15.9.352 — Reduced plate height equation h = a·v^(1/3) + b/v + c·v.
  7. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists.". Wiley (2nd ed.). https://doi.org/10.1002/9781119313793 — Practical N targets vs particle size table (UHPLC method scaling).
  8. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development.". Wiley (2nd ed.). — Column dimensioning rules of thumb (L, dp, dc) for given α and N.
  9. Engelhardt, Heinz. 2014. "100 Years of Chromatography.". Wiley-VCH (2nd ed.).
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography.". Wiley (5th ed.).

REST: /wp-json/molgod/v1/hplc/column/100-51-6

🧪 流动相——相容性矩阵 互溶
组分 名称 UV截止波长（nm） P' 检测器
溶剂 Acetonitrile (MeCN) 190 5.8 UV, MS, ELSD, RID, FLD
溶剂 Water 190 10.2 UV, MS, ELSD, RID, FLD
缓冲液 Phosphate (KH2PO4 / K2HPO4) 195 pH 2.0-3.0 / 6.5-8.0 / 11.0-12.5 MS ✗

检测器: UV — 与两种溶剂均兼容.

📚 科学参考文献（芝加哥作者-日期格式）
  1. Sadek, Paul C.. 2002. "The HPLC Solvent Guide.". Wiley-Interscience (2nd ed.).
  2. Snyder, L. R.. 1978. "Classification of the solvent properties of common liquids." Journal of Chromatographic Science 16: 223-234. https://doi.org/10.1093/chromsci/16.6.223
  3. Reichardt, Christian, and Thomas Welton. 2010. "Solvents and Solvent Effects in Organic Chemistry.". Wiley-VCH (4th ed.).
  4. Vailaya, Anant, and Csaba Horváth. 1998. "Retention thermodynamics in hydrophobic interaction chromatography." Industrial & Engineering Chemistry Research 37: 4040-4055. https://doi.org/10.1021/ie980212h
  5. Krstulović, Andrea M., and Phyllis R. Brown. 1981. "Reversed-phase High-Performance Liquid Chromatography.". Wiley.
  6. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development.". Wiley (2nd ed.).
  7. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094
  8. Boysen, Reinhard I., and Milton T. W. Hearn. 2009. "Multi-modal HPLC of proteins." Journal of Chromatographic Science 47: 645-654. https://doi.org/10.1093/chromsci/47.8.645
  9. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists.". Wiley (2nd ed.). https://doi.org/10.1002/9781119313793
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography.". Wiley (5th ed.).

REST: /wp-json/molgod/v1/hplc/mobile-phase?solvent_a=...&solvent_b=...

完整HPLC方法指南 同行评审

分子特定场景、故障排除和文献参考

Molecular Predictor

Predicted parameters for this molecule (CAS 100-51-6) are based on literature-backed models (Snyder-Dolan LSS, Neue pore-size rules).

Retention Time
3.95 min
Range: 2.77 – 5.14
confidence: medium
Model: Snyder-Dolan LSS na kolumnie C18 150×4.6 mm, gradient 5→95% B w 15 min
UV λmax
254 nm
confidence: medium
Aromatic ring detected → 254 nm optimal
Concentration
0.5 mg/mL
= 4.624 mM
confidence: high
Safe linear range detektora UV (nie przekroczy 1.5 AU)
Buffer pH
2
Range: 1.5 – 2.5
confidence: medium
Acid (pKa=0) → mobile phase pH 2 keeps the neutral form (better peak shape)
Injection Volume
20 μL
confidence: medium
Smaller volume for larger molecules (avoiding peak broadening)

⚠️ Predykcje oparte na modelach chemometrycznych — require validation against an actual measurement. Confidence: low/medium/high depending on the available descriptors.

化学家的真实问题

Why am I not seeing any peaks?

You injected the sample, you wait 23 min and... a flat line. Anxiety is rising.

我们的解决方案

1

Exact Solvent List

Name + CAS + Grade + Role in method

2

Grade Explanations

HPLC vs LC-MS vs Far UV — when to use which

3

Consumption Calculator

4

Shopping List

One-click add to cart

交互式计算器

Deep Education

理解流动相化学

Why Acetonitrile vs Methanol?
PropertyAcetonitrile (ACN)Methanol (MeOH)
Viscosity (20°C)0.37 cP0.59 cP (+59%)
Back Pressure~150 bar~210 bar (+40%)
UV Cutoff190 nm205 nm
Elution StrengthStrongerWeaker
Price (typical)115 PLN/L70 PLN/L (-39%)
Van Deemter Equation Impact

H = A + B/u + Cu

Higher viscosity (MeOH) → lower optimal flow rate → longer runtime.

Buffer Selection: Why NH₄HCO₃?
  • Volatile: MS-compatible (evaporates without residue)
  • pH range: 6.5–8.5 (ideal for most organic acids)
  • Shelf life: 4 weeks @ 4°C (make fresh weekly)
  • Concentration: 10 mM optimal (higher = ion suppression in MS)

Common Mistake: Using old buffer (>1 week room temp) = pH drift + microbial growth → ghost peaks.

Cost Savings Calculator

How much you save by using naszej metody zamiast alternatyw? Kwartalne koszty labu HPLC.

1. Solwenty — ACN vs MeOH

—
Nasza (ACN)Alternatywa (MeOH)
Cena/L115 PLN70 PLN
Runtime/sample23 min32 min (+40%)
Back pressure150 bar210 bar
Solwent/sample~130 mL~180 mL
Koszt/sample~5 PLN~4.5 PLN
Czas/sample23 min32 min
Czas pracy chemika——
Total/quarter——

2. Kolumna — z guard vs bez

—
Nasza (z guard)Bez guard
Guard column200 PLN / 100 inj—
Main column lifetime2000 inj500 inj
Columns / quarter——
Guards / quarter——
Downtime wymiany (h)——
Total/quarter——

3. Method development — SOP vs scratch

—
Nasza (SOP template)Custom dev
Initial setup1 h (use template)40 h (screening of phases, columns, gradients)
Walidacja (ICH Q2)8 h24 h
Dokumentacja2 h (edit template)16 h
Ryzyko OOS w Q1~2%~15%
Total (jednorazowo)——

4. Fast gradient (high-throughput) — ROI

—
Fast (5 min)Standard (23 min)
Runtime/sample5 min23 min
Samples/8h shift——
Shifts potrzebnych——
Koszt pracy——
Savings——
Total annual savings: —

常见问题

0.79 g NH₄HCO₃ (MW 79.06). Dissolve in 900 mL, make up to 1000 mL, check pH = 7.0±0.2.

Source: r/chemistry

NIE dla LC-MS (sole w wodzie dest. → piki duchów). OK dla UV-HPLC tylko jeśli filtrujesz 0.22 μm. Bezpiecznie: HPLC grade 9 zł/L.

Source: ResearchGate

Dla logP=1.1 rekomendacja zależy: jeśli logP<2 (polarny) → MeOH retencja wystarczy; logP≥2 (niepolarny) → ACN daje lepszy peak shape. Dla tej molekuły (MW=108.14, CAS 100-51-6) zaczynaj od ACN w gradiencie 5→95% B.

Source: Snyder LSS Model

ACN: niższa lepkość (mniejsze ciśnienie), UV cutoff 190 nm. MeOH: 40% tańszy, ale wyższe ciśnienie +50 bar i UV cutoff 205 nm. Dla gradientu: ACN preferowany.

Source: Chromatography Forum

Gradient Problem From The Lab

Peak tailing ruined my results

I ran the method exactly as written. Main peak Tf = 2.8 (should be <1.5). Integration impossible. I repeated it 6× — always tailing.
Lesson learned (Anna K., PhD student, Warszawa, 2024-03):
Causes: (1) buffer pH 8.2 instead of 7.0, (2) 2-month-old buffer (bacteria!), (3) C8 column instead of C18. Fix: fresh buffer pH 7.0 + switch to C18 → Tf 1.2, Rs 1.9→2.3.

Our Gradient Strategy

  • Initial hold 0–2 min @ 5% B — sample adsorbs on the head
  • Ramp 2–15 min do 95% B — linear, curve 6 (Empower)
  • Final hold 15–20 min @ 95% B — elute strongly retained
  • Re-equilibrate 20–23 min back to 5% B + 5 col.volumes

Gradient Visualizer

Gradient Timeline

#Time%B start%B endDurationSlope (Δ%B/min)Step

Slope & Dwell Volume Test

—
Slope (Δ%B/min)
—
Gradient volume (mL)
—
Dwell vol estimate (mL)
—
k*·t0 (dla Rs)

💡 Rule of thumb: slope 2-5 %B/min gives the best peak shape · dwell vol = empty tubing from the pump to the column (check a blank run without the column) · k*·t0 ≥ 3 dla Rs ≥ 2.0.

Snyder-Dolan LSS Model

Log k = log kw − S·φ, gdzie φ = fraction B. Optymalny gradient: Δφ ≈ 0.6–0.8 per 5 t0. Dla kolumny 250×4.6mm @ 1 mL/min → t0 ≈ 2 min → gradient 10–12 min.

常见问题

Linear = płynne odklejanie związku od kolumny = lepszy peak shape (Tf < 1.3). Step gradient daje shock waves = artifacts.

Source: Snyder Seminar

Heurystyka Snydera: start%B = (logP - 1) × 10. Dla logP=2 → start 10% B. Zawsze z 2 min isocratic hold aby pozwolić próbce zaadsorbować.

Source: LCGC

Heurystyka Snyder: Rt ≈ 2.5·logP + 1.2 min. Dla phenylmethanol (logP=1.1) → szacunkowe Rt=3.95 min. ±30% wariancja zależnie od dead volume i gradient slope. Walidacja: wstrzyknij standard 10 μg/mL, zmierz Rt rzeczywisty, dostosuj gradient.

Source: Predictive modeling

Column Choice Dilemma

What to set on the DAD for an unknown compound?

You do not know λ_max. The DAD covers 200–800 nm. Set it wide or narrow? Use bandwidth 4 or 16 nm?

Recommended Columns

A

Zorbax Eclipse Plus C18

150×4.6 mm · 3.5 μm · pH 2–9

B

Waters XBridge C18

150×4.6 mm · 3.5 μm · pH 1–12 (high pH)

C

Phenomenex Kinetex C18

100×4.6 mm · 2.6 μm core-shell · fast

Column Lifetime Rules

  • Clean samples: 2000–5000 injections
  • Biological matrix: 500–1000 injections
  • Crude extracts: 100–500 injections
  • Guard column = +4× main column lifetime

常见问题

Mała kolumnka (2cm) PRZED główną. Łapie zanieczyszczenia. Koszt 200 PLN, wymiana co 100 wstrzyknięć. Oszczędność: 1600 PLN na lifetime głównej kolumny.

Source: Agilent App Notes

C18 (18 węgli, bardziej lipofilowa) dla logP 0-5. C8 (8 węgli) dla bardzo polarnych (logP <0). C4 dla białek. Twój związek logP~2 → C18.

Source: Phenomenex Knowledge

Rule of thumb: analyty MW10000 (białka) → pore 1000 Å. Dla MW=108.14 (CAS 100-51-6) użyj standardowej kolumny C18 100 Å.

Source: Phenomenex Guide

Detection Gotcha

First gradient — what to do step by step

You click Method Editor and see 10 empty time/%B rows. Where to start? How many points to enter?

DAD Settings

ParameterValueWhy
Wavelength210 nm (primary) + 254 nm (aromatic)Uniwersalne dla COOH/C=O
Bandwidth4 nmBalance of sensitivity vs selectivity
Response time0.5 sZgodne z peak width ~5 s
Reference λ360 nm, bw 100 nmKompensacja baseline drift

Alternative Detectors

  • RID — for compounds without UV absorbance (sugars, polymers). Sensitivity x1000 lower.
  • ELSD — uniwersalny, ale destroys sample (niezgodny z MS).
  • LC-MS/MS — LOD 1 pg, strukturalna potwierdzenie via MRM.
  • CAD — charged aerosol, lepsze od ELSD dla lipid/polar.

Validation Reality Check

Change control: transfer the method to a new HPLC

The old Agilent 1100 is due for replacement. New Waters Arc. How to run transfer validation without a repeat full validation?

USP <621> + ICH Q2(R1) Criteria

ParameterAcceptanceFormula
Resolution (Rs)≥ 2.02(tR2 − tR1) / (w1 + w2)
Tailing factor (Tf)≤ 1.5W0.05 / (2·f)
Plates (N)≥ 500016·(tR / w)²
RSD (6 injections)≤ 2.0%σ / μ × 100%
Linearity (R²)≥ 0.999080–120% spec, 5 levels

Pre-Flight SST Checklist

  • Inject the standard 6× in a row
  • Calculate Rs, Tf, N, RSD for each
  • ALL pass → proceed with samples
  • ANY fail → STOP, troubleshoot FIRST

Regulatory Compliance

The method was designed in accordance with the regulations below. Click a badge to see compliance details.

USP <621> Chromatography Compliant

United States Pharmacopeia General Chapter — requirements for HPLC systems.

  • Resolution (Rs) &geq; 2.0
  • Tailing factor (Tf) &leq; 2.0
  • Theoretical plates (N) &geq; 2000
  • Relative standard deviation (RSD) &leq; 2.0% (6 replicates)

Reference: USP-NF 2024, General Chapter <621> Chromatography

ICH Q2(R1) Method Validation Compliant

International Council for Harmonisation — walidacja metod analitycznych.

  • Specificity — baseline separation of all analytes
  • Linearity — R² &geq; 0.9990, 5 levels (80–120% of spec)
  • Accuracy — 98–102% recovery
  • Precision — RSD &leq; 2.0% (repeatability), &leq; 3.0% (intermediate)
  • Robustness — DoE across 5 factors (flow ±10%, temp ±5°C, pH ±0.2, %B ±2%, λ ±2 nm)

Reference: ICH Q2(R1) Validation of Analytical Procedures, 2005

EP 2.2.46 European Pharmacopoeia Compliant

European Pharmacopoeia — chromatographic separation techniques.

  • Harmonizowane z USP
  • System suitability identical do USP
  • Dopuszczalne substytucje kolumn per „same selectivity"

Reference: EP 11.0, Chapter 2.2.46

JP 2.00 Japanese Pharmacopoeia Compliant

Japanese Pharmacopoeia — aligned with USP/EP harmonisation after 2020.

  • Harmonizowane z USP post-2020
  • Japanese labs may require additional local validation

Reference: JP 18th Edition, General Chapter 2.00

FDA 21 CFR 211 cGMP Compliant

Current Good Manufacturing Practice for pharmaceutical products (USA).

  • §211.22 — QC unit responsibilities
  • §211.160 — laboratory controls
  • §211.165 — testing and release
  • §211.194 — laboratory records (complete + audit trail)
  • Data integrity per ALCOA+

Reference: 21 CFR Part 211 — Current Good Manufacturing Practice

ISO 17025 Testing Labs Aligned

International standard for the competence of testing laboratories.

  • Method validation per ISO 17025 §7.2
  • Measurement uncertainty udokumentowana
  • Traceability to SI units

Reference: ISO/IEC 17025:2017

Method Comparison Matrix

Comparison of our recommended method vs USP Monograph vs PubMed literature vs Vendor Application Note.

Parametr Nasza metoda ★ USP <621> Literatura Vendor (Agilent)
Kolumna Zorbax Eclipse Plus C18 150×4.6 mm L1 (C18, bonded, 5 μm) n/a (brak PubMed refs dla tego CAS) Zorbax SB-C18 150×4.6 mm
Particle size 3.5 μm 5 μm (USP default) — 5 μm
Faza A 10 mM NH₄HCO₃ pH 7.0 Phosphate buffer pH 2.5 — 0.1% TFA w H₂O
Faza B Acetonitryl HPLC grade Acetonitryl / Methanol — Acetonitryl / 0.1% TFA
Gradient 5 → 95% B w 15 min (linear) Isocratic (preferowane w USP) — 10 → 90% B w 20 min
Flow 1.0 mL/min 1.5 mL/min — 1.0 mL/min
Temperatura 30°C 25°C — 40°C
Detekcja UV 210 nm + 254 nm UV 254 nm (standard USP) — DAD 210/254 nm
Runtime 23 min 30 min — 25 min
Rs (typ.) 2.3 ≥ 2.0 — 2.1
Walidacja USP <621> + ICH Q2(R1) USP <621> obligatoryjnie — Application note only
Solvent cost/run ~5 PLN/run ~7 PLN/run — ~6 PLN/run
Nasza = optymalizowana na koszt + czas + Rs ≥ 2.0 USP = pharmacopoeia reference (regulatory gold standard) Literatura = top-cited PubMed ref dla tego CAS Vendor = Agilent/Waters/Thermo application note

Interactive Troubleshooting Tree

Pick a symptom → see the most likely causes → click to see the fix.

Temperatura kolumny niestabilna 55%

Diagnoza: Column oven on? 30°C?

Fix: Turn the column thermostat on to 30°C.

⏰ 5 min warm-up ✓ 90% success rate
Wrong wavelength (254 nm vs 210 nm) 40%

Diagnoza: Method → DAD → Primary λ — check whether it is 210

Fix: Change the wavelength to 210 nm for compounds without aromatic rings.

⏰ 2 min ✓ 90% success rate
UV lamp not switched on 35%

Diagnoza: Status lampki na detektorze — zielona?

Fix: Turn on the lamp, wait 3-5 min for warm-up.

⏰ 5 min ✓ 95% success rate
Sample concentration too low 20%

Diagnoza: Is the sample >0.1 mg/mL?

Fix: Increase the concentration 10× to 1 mg/mL.

⏰ 10 min ✓ 85% success rate
Column clogged with particles 70%

Diagnoza: Do you filter samples through 0.22 μm?

Fix: Replace the column frit OR the guard column. In future, filter every sample.

⏰ 15 min 💵 200 PLN ✓ 75% success rate
Gradient za szybki 60%

Diagnoza: Jaki slope %B/min?

Fix: Zwolnij gradient: 13→56% B w 20 min zamiast 15 min.

✓ 80% success rate
Flow za wysoki 25%

Diagnoza: Flow 1.5 mL/min?

Fix: Zmniejsz do 0.8 mL/min.

✓ 70% success rate
Incorrect buffer pH 70%

Diagnoza: Zmierz pH bufora — 7.0±0.2?

Fix: Make fresh buffer 10 mM NH₄HCO₃ pH 7.0.

⏰ 15 min 💵 10 PLN ✓ 85% success rate
Column worn out 20%

Diagnoza: Number of injections? >2000?

Fix: Regeneruj: flush 100% ACN 30 min, potem 100% MeOH 30 min.

⏰ 1h 💵 20 PLN solvent ✓ 60% success rate
Overloading (too much sample) 10%

Diagnoza: Fronting + tailing at the same time? Concentration >5 mg/mL?

Fix: Reduce inj. vol 10→5 μL or dilute 2×.

⏰ 5 min ✓ 90% success rate

常见问题

6× wstrzyknięcie standardu PRZED próbkami. Mierzysz Rs, Tf, RSD, N. Wszystkie muszą być PASS — inaczej nie analizuj. Kryteria: USP .

Source: USP Online

Dla API (active pharmaceutical ingredient) typowo 98-102% label claim. Dla phenylmethanol (CAS 100-51-6) sprawdź: (1) USP monograph jeśli istnieje, (2) kompendium pharmacopoeia wewnętrzna, (3) ICH Q6A dla specyfikacji nowych substancji. Related substances ≤0.10% per ICH Q3A.

Source: ICH Q6A

USP : Rs ≥ 2.0. Fix: (1) wolniejszy gradient +30%, (2) niższy flow 0.8 mL/min, (3) dłuższa kolumna 250mm, (4) niższa temp 20°C.

Source: FDA Guidance

Prep Mistakes That Ruined The Run

Dissolving the sample — in what?

Standard in an ampoule. Dissolve it in water? ACN? Methanol? The protocol does not say. The wrong solvent → smeared peaks.

Sample Prep Protocol

  1. Dissolve 10 mg of sample in 10 mL of mobile phase (initial composition)
  2. Sonikuj 5 min → vortex 30 s
  3. Filtruj 0.22 μm PTFE (nie PVDF — adsorbuje!)
  4. Transfer 1 mL do HPLC vial z septum PTFE/silikon
  5. Przechowuj 4°C max 48h

Why Filter 0.22 μm?

Particles >0.22 μm clog the column inlet frit. Pressure rises +50 bar per 100 injections. Column lifetime drops from 2000 to 500 injections. Filter cost: 2 PLN. Column cost: 1800 PLN.

Complete Method PDF

Full protocol with all parameters

SOP Template

GMP-compliant SOP template

Validation Protocol

ICH Q2(R1) validation template

Bibliography (.bib)

All references in BibTeX format

事后分析 — 真实失败案例 经验教训

真实化学家的失误 — 发生了什么、什么有帮助、要避免什么。

Method transfer from Warsaw to Krakow failed

R&D team, 2 sites 2025-09-18 Poziom 5/5
发生了什么：

At first we ran it in the Warsaw lab. Transfer to Kraków: every Rt shifted +0.8 min, Rs borderline at 1.9-2.1. Investigation: buffers from different manufacturers (Merck vs Sigma-Aldrich) differed by 0.2 in pH. 6 weeks of transfer revalidation.

💡 Lekcja:

Transfer requires a SPEC for the buffer (manufacturer, grade, LOT). Not just „NH4HCO3 10 mM pH 7.0". Run a preliminary system suitability on the new instrument before the full transfer.

Ghost peaks w ostatnim dniu stability

Dr. Tomasz W., PhD pharmaceutical 2024-08-22 Poziom 4/5
发生了什么：

Day 90 stability pull. 6 batch × 2 repeats. W próbce widzę duplikaty peaków z poprzedniego dnia. OOS opened. 4 dni investigation. Root cause: nie pomylony carry-over, tylko buffer NH4HCO3 zostawiony w systemie weekend = bakterie.

💡 Lekcja:

NIGDY nie zostawiaj buforu w systemie >3 dni. Zawsze flush z 80% ACN/20% H2O przed weekendem. Koszt lekcji: 4 dni pracy + 3 batch release delay.

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🔄 Alternatywne produktyMolGod_ALTPROD_1
⚠️ UWAGA NAUKOWA — Single-CAS Integrity
Listed below are OTHER molecules (structural alternatives / Tanimoto similarity). All physicochemical values (MW, pKa, LD50, GHS, spectra) apply to THESE alternatives, NOT the current molecule (CAS 100-51-6). For data on the current molecule see the "Chemical data", "GHS", "Toxicology" accordions above.
2-Methyl-1,3-Propanediol (MPO)
Ta sama kategoria · Ta sama kategoria produktu
PEG (350/400/600/800/1000/2000)
Ta sama kategoria · Ta sama kategoria produktu
PPG (400/700/1000/2000/3000/4000)
Ta sama kategoria · Ta sama kategoria produktu
1,1′-Oxydi-2-propanol
Ta sama kategoria · Ta sama kategoria produktu
🧪
N-Hexyl alcohol
Ta sama kategoria · Ta sama kategoria produktu
📄 分析证书（CoA） CAS 100-51-6 无 MolGod_COA_2

数据库中无此产品的证书。

📚 科学参考文献（芝加哥作者-日期格式）——点击展开

批次管理与实验室认证标准——13个独立来源（ICH Q1/Q3/Q6/Q7/Q10 + ISO 17025 + WHO TRS + 21 CFR 211 + EMA + USP + Ph.Eur. + PIC/S + IPEC-PQG）。

  1. International Council for Harmonisation (ICH). 2000. "Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients." ICH Expert Working Group. [链接 ↗] — GMP for APIs — adopted by EMA, FDA, MHLW
  2. International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories." ISO. [链接 ↗] — Lab accreditation standard underpinning every CoA
  3. World Health Organization. 2010. "WHO Good Manufacturing Practices for Pharmaceutical Products: Main Principles (WHO Technical Report Series No. 957, Annex 3)." WHO Press. [链接 ↗] — WHO TRS No. 957 — global reference for GMP
  4. International Council for Harmonisation (ICH). 2003. "ICH Q1A(R2): Stability Testing of New Drug Substances and Products." International Council for Harmonisation. [链接 ↗] — Source for batch shelf-life and retest dating
  5. International Council for Harmonisation (ICH). 2006. "ICH Q3A(R2): Impurities in New Drug Substances." ICH. [链接 ↗]
  6. International Council for Harmonisation (ICH). 1999. "ICH Q6A: Specifications for New Drug Substances and Products." ICH. [链接 ↗] — CoA acceptance-criteria specification standard
  7. International Council for Harmonisation (ICH). 2008. "ICH Q10: Pharmaceutical Quality System." ICH. [链接 ↗]
  8. U.S. Food and Drug Administration. 2024. "21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals." US Code of Federal Regulations. [链接 ↗] — US legal mandate (Subpart J — Records and Reports)
  9. European Medicines Agency. 2014. "Guideline on Process Validation for Finished Products — Information and Data to Be Provided EMA/CHMP/CVMP/QWP/BWP/70278/2012." European Medicines Agency. [链接 ↗]
  10. United States Pharmacopeial Convention. 2024. "United States Pharmacopeia and National Formulary, USP 47-NF 42." USP. [链接 ↗]
  11. European Pharmacopoeia Commission. 2024. "European Pharmacopoeia 11th Edition." Council of Europe — EDQM. [链接 ↗]
  12. Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. [链接 ↗] — Cross-recognized GMP for 54 inspectorates worldwide
  13. International Pharmaceutical Excipients Council (IPEC) and Pharmaceutical Quality Group (PQG). 2017. "Joint IPEC-PQG Good Manufacturing Practices Guide for Pharmaceutical Excipients." IPEC-Americas. [链接 ↗] — Excipient-grade CoA standard for non-API ingredients
🧮 Ceny hurtowe (B2B)MolGod_BULK_1

Bulk orders? Contact us.

📜 专利（公开元数据） 无数据 MolGod_PATENT_2

目前未在Crossref/OpenAlex中找到该物质的公开专利元数据。数据将在下次缓存刷新（24小时）后自动更新。

📚 参考文献（芝加哥作者-日期格式）——点击展开
  1. Le NT, Wu PA. (2026). "Benzyl Alcohol: Allergen of the Year 2026.". Dermatitis : contact, atopic, occupational, drug. https://doi.org/10.1177/17103568251386038
  2. Pesonen M, Ylinen K, Suomela S et al.. (2023). "Occupational contact allergy to benzyl alcohol in epoxy hardeners.". Contact dermatitis. https://doi.org/10.1111/cod.14415
  3. Chen H, Liu W, Chang L et al.. (2023). "Tailoring Galactose Oxidase for Self-Powered Benzyl Alcohol Sensing.". Chemistry (Weinheim an der Bergstrasse, Germany). https://doi.org/10.1002/chem.202300052
  4. Xiong M, Peterson MY, Hylwa S. (2022). "Allergic contact dermatitis from benzyl alcohol in hydrocortisone cream.". Contact dermatitis. https://doi.org/10.1111/cod.14042
  5. Johnson W, Bergfeld WF, Belsito DV et al.. (2017). "Safety Assessment of Benzyl Alcohol, Benzoic Acid and its Salts, and Benzyl Benzoate.". International journal of toxicology. https://doi.org/10.1177/1091581817728996
  6. Api AM, Belsito D, Bhatia S et al.. (2015). "RIFM fragrance ingredient safety assessment, Benzyl alcohol, CAS Registry Number 100-51-6.". Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. https://doi.org/10.1016/j.fct.2015.09.005
  7. Scognamiglio J, Jones L, Vitale D et al.. (2012). "Fragrance material review on benzyl alcohol.". Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. https://doi.org/10.1016/j.fct.2011.10.013
  8. (1989). "NTP Toxicology and Carcinogenesis Studies of Benzyl Alcohol (CAS No. 100-51-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).".
  9. World Intellectual Property Organization. 2024. "Patent Cooperation Treaty (PCT)." https://www.wipo.int/pct/.
  10. U.S. Patent and Trademark Office. 2024. "USPTO Patent Public Search." https://ppubs.uspto.gov/.
  11. European Patent Office. 2024. "Espacenet Patent Search." https://worldwide.espacenet.com/.
  12. Newman, David J., and Gordon M. Cragg. 2020. "Natural Products as Sources of New Drugs over the Nearly Four Decades from 01/1981 to 09/2019." Journal of Natural Products 83 (3): 770-803.
  13. Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
  14. Bickerton, G. Richard, Gaia V. Paolini, Jérémy Besnard, Sorel Muresan, and Andrew L. Hopkins. 2012. "Quantifying the Chemical Beauty of Drugs." Nature Chemistry 4 (2): 90-98.
  15. Meanwell, Nicholas A. 2011. "Synopsis of Some Recent Tactical Application of Bioisosteres in Drug Design." Journal of Medicinal Chemistry 54 (8): 2529-2591.
  16. Ertl, Peter, and Ansgar Schuffenhauer. 2009. "Estimation of Synthetic Accessibility Score of Drug-Like Molecules Based on Molecular Complexity and Fragment Contributions." Journal of Cheminformatics 1: 8.
  17. Hopkins, Andrew L., and Colin R. Groom. 2002. "The Druggable Genome." Nature Reviews Drug Discovery 1 (9): 727-730.
  18. Allison, John R., and Mark A. Lemley. 1998. "Empirical Evidence on the Validity of Litigated Patents." AIPLA Quarterly Journal 26 (3): 185-275.
  19. Patani, George A., and Edmond J. LaVoie. 1996. "Bioisosterism: A Rational Approach in Drug Design." Chemical Reviews 96 (8): 3147-3176.
  20. Lerner, Josh. 1994. "The Importance of Patent Scope: An Empirical Analysis." RAND Journal of Economics 25 (2): 319-333.

REST: /wp-json/molgod/v1/patents/100-51-6?status=active&limit=10

扩展参考文献 (2)

  1. ★★☆☆☆ CROSSREF 🔓 开放 ❓ 未验证 Anonymous. "Benzyl Alcohol.". https://doi.org/10.31003/fcc_f101139_02_01. 链接 [访问日期: 2026-09-02]
  2. ★☆☆☆☆ OPENLIBRARY 🔓 开放 David Israel Macht. 1918. "A pharmacological and therapeutic study of benzyl alcohol as a local anesthetic." 链接 [访问日期: 2026-09-21] CC0 (metadata)
数据来自PubChem来源： PubChem (NIH) · ChEMBL
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📚 参考文献（综合书目，芝加哥作者-日期格式） 121 条目

以上折叠面板中针对CAS号100-51-6引用的所有科学来源。格式： 《芝加哥格式手册》第17版，作者-日期系统.

🗄️ 科学数据库

  1. NIST. n.d. NIST Chemistry WebBook: CAS 100-51-6. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=100-51-6.
  2. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 100-51-6. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  3. Linstrom, Peter J., and William G. Mallard, eds. n.d. NIST Chemistry WebBook: NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. https://doi.org/10.18434/T4D303.
  4. PubChem. n.d. PubChem Compound Summary: CAS 100-51-6. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=100-51-6.

📐 标准/指南

  1. ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. European Committee for Standardization (CEN). 2009. "EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 书籍

  1. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  2. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  3. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  4. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  5. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📄 科学文章（同行评审）

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

🌐 网站

  1. ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
  2. European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
  7. United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. ECHA — Zalacznik VI do CLP (klasyfikacja zharmonizowana, ATP 23; 2026-07-07) https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
  10. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley.
  11. Schoenmakers, Peter J.. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier.
  12. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley.
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  14. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094.
  15. Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793.
  16. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. https://doi.org/10.1002/jssc.200700026.
  17. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. https://doi.org/10.1021/acs.analchem.6b03506.
  18. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199. https://www.chromatographyonline.com/view/when-modify-method-conditions.
  19. Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. Wiley.
  20. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." https://doi.org/10.1016/0009-2509(56)80003-1.
  21. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker.
  22. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." https://doi.org/10.1016/S0021-9673(97)00376-2.
  23. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." https://doi.org/10.1002/jssc.200700026.
  24. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." https://doi.org/10.1016/j.chroma.2008.11.094.
  25. Knox, John H.. 1977. "Practical aspects of LC theory." https://doi.org/10.1093/chromsci/15.9.352.
  26. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development." Wiley.
  27. Engelhardt, Heinz. 2014. "100 Years of Chromatography." Wiley-VCH.
  28. Sadek, Paul C.. 2002. "The HPLC Solvent Guide." Wiley-Interscience.
  29. Snyder, L. R.. 1978. "Classification of the solvent properties of common liquids." https://doi.org/10.1093/chromsci/16.6.223.
  30. Reichardt, Christian, and Thomas Welton. 2010. "Solvents and Solvent Effects in Organic Chemistry." Wiley-VCH.
  31. Vailaya, Anant, and Csaba Horváth. 1998. "Retention thermodynamics in hydrophobic interaction chromatography." https://doi.org/10.1021/ie980212h.
  32. Krstulović, Andrea M., and Phyllis R. Brown. 1981. "Reversed-phase High-Performance Liquid Chromatography." Wiley.
  33. Boysen, Reinhard I., and Milton T. W. Hearn. 2009. "Multi-modal HPLC of proteins." https://doi.org/10.1093/chromsci/47.8.645.
  34. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. https://www.usp.org/harmonization-standards/pdg/general-chapters/chromatography.
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  36. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." https://doi.org/10.1021/ac00255a033.
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  38. Dolan, John W.. 2003. "Peak tailing and resolution." https://www.chromatographyonline.com/view/peak-tailing-and-resolution.
  39. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." https://doi.org/10.1021/ac101742z.
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  51. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." John Wiley & Sons. https://doi.org/10.1002/9780470508183.
  52. Dolan, John W.. 2003. "How much resolution is enough?." https://www.chromatographyonline.com/view/how-much-resolution-enough.
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  56. European Medicines Agency (EMA). 2011. "Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009." EMA. https://www.ema.europa.eu/en/documents/scientific-guideline/guideline-bioanalytical-method-validation_en.pdf.
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