Molecule record

(E)-3-(2-hydroxyphenyl)prop-2-enoic acid

C9H8O3

164.16 g/mol

Loading structure

Molecular properties

Formula
C9H8O3
Molar mass
164.16 g·mol−1
Exact mass
164.0473 Da
6
PubChem CID
637540

Functional groups

Alkene
Aromatic ring
Carboxylic acid
Phenol

Physical properties

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

Common names and synonyms

  • (2E)-3-(2-HYDROXYPHENYL)ACRYLIC ACID
  • (2E)-3-(2-hydroxyphenyl)prop-2-enoic acid
  • (E)-2-hydroxycinnamic acid
  • (E)-3-(2-Hydroxyphenyl)-2-propenoic acid
  • (E)-3-(2-hydroxyphenyl)acrylic acid
  • (E)-o-Hydroxycinnamic acid
  • 2-Coumarate
  • 2-Coumaric acid
Show all 24 synonyms
  • 2-Hydroxycinnamate
  • 2-Hydroxycinnamic acid
  • 2-Hydroxycinnamic acid, (E)-
  • 2-Propenoic acid, 3-(2-hydroxyphenyl)-
  • 209-500-5
  • 2S0H1PX3LM
  • 3-(2-hydroxyphenyl)acrylic acid
  • 583-17-5
  • 614-60-8
  • RefChem:25837
  • o-Coumaric acid
  • o-Hydroxy-trans-cinnamic acid
  • trans-2-Hydroxycinnamate
  • trans-2-Hydroxycinnamic acid
  • trans-o-Coumaric acid
  • trans-o-Hydroxycinnamic acid

Structure identifiers

Canonical SMILES
O=C(O)/C=C/c1ccccc1O
Isomeric SMILES
C1=CC=C(C(=C1)/C=C/C(=O)O)O
InChI
InChI=1S/C9H8O3/c10-8-4-2-1-3-7(8)5-6-9(11)12/h1-6,10H,(H,11,12)/b6-5+
InChIKey
PMOWTIHVNWZYFI-AATRIKPKSA-N
PubChem CID
637540

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 (E)-3-(2-hydroxyphenyl)prop-2-enoic acid; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (E)-3-(2-hydroxyphenyl)prop-2-enoic 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
(E)-3-(2-hydroxyphenyl)prop-2-enoic acid - Formula, Structure | ChemArche