Molecule record

(2S)-2,5-diaminopentanoic acid

C5H12N2O2

132.16 g/mol

Loading structure

Molecular properties

Formula
C5H12N2O2
Molar mass
132.16 g·mol−1
Exact mass
132.0899 Da
1
PubChem CID
6262

Functional groups

Alkane / alkyl carbon
Carboxylic acid
Primary amine

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • (+)-S-Ornithine
  • (2S)-2,5-diaminopentanoate;hydron
  • (S)-2,5-Diaminopentanoate
  • (S)-2,5-Diaminopentanoic acid
  • (S)-2,5-diaminovaleric acid
  • (S)-Ornithine
  • (S)-alpha,delta-Diaminovaleric acid
  • 2,5 Diaminopentanoic Acid
Show all 24 synonyms
  • 200-731-7
  • 70-26-8
  • A05BA06
  • CHEBI:15729
  • CHEBI:18257
  • DTXCID201022768
  • DTXCID40197342
  • DTXSID00860383
  • DTXSID00883219
  • E524N2IXA3
  • L-ornithine
  • NSC-758894
  • Ornithinum
  • Ornitina
  • RefChem:856923
  • ornithine

Structure identifiers

Canonical SMILES
NCCC[C@H](N)C(=O)O
Isomeric SMILES
C(C[C@@H](C(=O)O)N)CN
InChI
InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
InChIKey
AHLPHDHHMVZTML-BYPYZUCNSA-N
PubChem CID
6262

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (2S)-2,5-diaminopentanoic acid; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (2S)-2,5-diaminopentanoic acid; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

Open source record