# L-Alanine (CAS 56-41-7)

CAS: 56-41-7
PubChem CID: 5950
InChIKey: QNAYBMKLOCPYGJ-REOHCLBHSA-N
Molecular formula: C3H7NO2
Molar mass: 89.09 g/mol
IUPAC: (2S)-2-aminopropanoic acid
SMILES: C[C@@H](C(=O)O)N
InChI: InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1
logP (XLogP3): -3
PSA: 63.3 A^2
Hydrogen bond donors: 2
Hydrogen bond acceptors: 3
Rotatable bonds: 1
Heavy atoms: 6
3D structure: 13 atoms, 12 bonds

## About the compound

L-Alanine (CAS 56-41-7) is a chemical compound registered under CAS number 56-41-7. Molecular formula: C3H7NO2. Molar mass: 89.09 g/mol. The full systematic IUPAC name is: (2S)-2-aminopropanoic acid. The molecule contains 13 atoms connected by 12 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://molgod.org/molekula/56-41-7/


## Synonyms

  - L-alanine
  - 56-41-7
  - alanine
  - (S)-Alanine
  - (2S)-2-Aminopropanoic acid
  - L-alpha-alanine
  - (S)-2-Aminopropanoic acid
  - L-2-Aminopropionic acid
  - 2-Aminopropionic acid
  - L-(+)-Alanine
  - L-2-Aminopropanoic acid
  - L-alpha-Aminopropionic acid

## Available in the shop

Shop: MolGod
Product: L-Alanine (CAS 56-41-7) — Shandong Yuanlian
URL: https://molgod.org/sds-cards/l-alanine-cas-56-41-7-shandong-yuanlian/

## Data sources

  - PubChem CID 5950: https://pubchem.ncbi.nlm.nih.gov/compound/5950
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=56-41-7
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=56-41-7

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Last updated: 2026-09-03
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