Wikipedia:  

trans-3-Hydroxycinnamic acid

trans-3-Hydroxycinnamate; 3-Coumaric acid
Molecular Formula
C9 H8 O3
Natural Isotopic Abundance Mass
164.1580200000
Mono-Isotopic Molecular Masses
C12N14:   164.047344123
C13N14:   173.077537663
C12N15:   164.047344123
C13N15:   173.077537663
trans-3-Hydroxycinnamic acid image
trans-3-Hydroxycinnamic acid
InCHi String:
InChI=1S/C9H8O3/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-6,10H,(H,11,12)/b5-4+

isomeric SMILES:
C1=CC(=CC(=C1)O)\C=C\C(=O)O
canonical SMILES:
C1=CC(=CC(=C1)O)C=CC(=O)O


IUPAC: IUPAC cas: IUPAC openeye: IUPAC systematic
(E)-3-(3-hydroxyphenyl)prop-2-enoic acid

IUPAC traditional
(E)-3-(3-hydroxyphenyl)acrylic acid



PubChem Substance (SID):   85164933   583011
PubChem Compound (CID):   637541
KEGG: Compound ID   C12621
CAS Registry IDs:   588-30-7
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   n/a

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.