Wikipedia:  

Homogentisic acid

2,5-Dihydroxyphenylacetic acid; (2,5-Dihydroxyphenyl)acetic acid; 2,5-Dihydroxy-alpha-toluic acid; Acetic acid, (2,5-dihydroxyphenyl)-; Homogentisic acid; 2,5-Dihydroxyphenylacetate; Benzeneacetic acid, 2,5-dihydroxy-; Homogentisinic acid; 2,5-Dihydroxybenzeneacetic acid; Homogentisate acid; HOMOGENTISIC ACID
Molecular Formula
C8 H8 O4
Natural Isotopic Abundance Mass
168.1467200000
Mono-Isotopic Molecular Masses
C12N14:   168.042258745
C13N14:   176.069097448
C12N15:   168.042258745
C13N15:   176.069097448
Homogentisic acid image
Homogentisic acid
InCHi String:
InChI=1S/C8H8O4/c9-6-1-2-7(10)5(3-6)4-8(11)12/h1-3,9-10H,4H2,(H,11,12)

isomeric and canonical SMILES:
C1=CC(=C(C=C1O)CC(=O)O)O


IUPAC: IUPAC traditional: IUPAC cas: IUPAC openeye
2-(2,5-dihydroxyphenyl)acetic acid

IUPAC systematic
2-(2,5-dihydroxyphenyl)ethanoic acid



PubChem Substance (SID):   85165018   153174   3825
PubChem Compound (CID):   780
KEGG: Compound ID   C00544
CAS Registry IDs:   451-13-8
PDB Chemical Component   OMD
Miscellaneous Databases and IDs:   CHEBI 5755   NSC 88940   Beilstein Handbook Reference 4-10-00-01506   EINECS 207-192-7

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.