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Molecule record

serine

C3H7NO3

105.09 g/mol

2D structure for serine

Molecular properties

Formula
C3H7NO3
Molar mass
105.09 g·mol−1
Exact mass
105.0426 Da
1
3
4
83.60 Ų
-3.1 (PubChem computed XLogP3-AA descriptor)
CAS
56-45-1
PubChem CID
5951

Interactions

Polarity
Often polar; exact polarity depends on size, substitution, and ionization state.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Alcohol
Amine
Carboxylic acid

Physical properties

PropertyValueConditionsSource
Logp-3.1PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • (2S)-2-amino-3-hydroxypropanoic acid
  • (S)-(-)-Serine
  • (S)-2-Amino-3-hydroxypropanoic acid
  • (S)-Serine
  • (S)-alpha-Amino-beta-hydroxypropionic acid
  • 3-Hydroxyalanine
  • 56-45-1
  • CHEBI:17115
Show all 23 synonyms
  • L-(-)-Serine
  • L-2-Amino-3-hydroxypropionic acid
  • L-3-Hydroxy-2-aminopropionic acid
  • L-3-Hydroxy-alanine
  • L-Serin
  • L-ser
  • L-serine
  • Propanoic acid, 2-amino-3-hydroxy-, (S)-
  • SER (IUPAC abbrev)
  • Serene
  • Serina
  • Serinum
  • alpha-Amino-beta-hydroxypropionic acid
  • beta-Hydroxy-L-alanine
  • beta-Hydroxyalanine

Structure identifiers

Canonical SMILES
C([C@@H](C(=O)O)N)O
Isomeric SMILES
C([C@@H](C(=O)O)N)O
InChI
InChI=1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7)/t2-/m0/s1
InChIKey
MTCFGRXMJLQNBG-REOHCLBHSA-N
PubChem CID
5951

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

IR spectrum

ChemArche Original Educational Content(redistributable)

Simulated FTIR trace

Predicted FTIR / %T

4 cm-1 resolution / deterministic instrument profile

Hover for cursor
4000350030002500200015001000500100500wavenumber (cm−1)transmittance (%)

Peak assignments

3350 cm−1broad O-H (simulated)
3000 cm−1broad acid O-H (simulated)
1710 cm−1C=O acid (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for serine; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for serine; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)

simulated IR

ChemForge original educational simulation.

ChemArche Original Educational Content(redistributable)
Open source record