# L-Valine

CAS: 72-18-4
PubChem CID: 6287
InChIKey: KZSNJWFQEVHDMF-BYPYZUCNSA-N
Wikidata: Q483752
Molecular formula: C5H11NO2
Molar mass: 117.15 g/mol
IUPAC: (2S)-2-amino-3-methylbutanoic acid
SMILES: CC(C)[C@@H](C(=O)O)N
InChI: InChI=1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
logP (XLogP3): -2.3
PSA: 63.3 A^2
Hydrogen bond donors: 2
Hydrogen bond acceptors: 3
Rotatable bonds: 2
Heavy atoms: 8
3D structure: 19 atoms, 18 bonds

## About the compound

L-Valine is a chemical compound registered under CAS number 72-18-4. Molecular formula: C5H11NO2. Molar mass: 117.15 g/mol. The full systematic IUPAC name is: (2S)-2-amino-3-methylbutanoic acid. The molecule contains 19 atoms connected by 18 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://epchems.online/molekula/72-18-4/


## Synonyms

  - L-valine
  - valine
  - 72-18-4
  - (S)-Valine
  - (2S)-2-amino-3-methylbutanoic acid
  - (S)-2-Amino-3-methylbutanoic acid
  - 2-Amino-3-methylbutyric acid
  - (S)-2-Amino-3-methylbutyric acid
  - valina
  - L-alpha-Amino-beta-methylbutyric acid
  - L-valin
  - Valinum

## Available in the shop

Shop: Eapearl Chemical
Product: L-Valine
URL: https://epchems.online/products/l-valine/

## Data sources

  - PubChem CID 6287: https://pubchem.ncbi.nlm.nih.gov/compound/6287
  - Wikidata: https://www.wikidata.org/wiki/Q483752
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=72-18-4
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=72-18-4

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Last updated: 2026-09-23
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