CAS: 451-13-8 Molecular Formula: C8 H8 O4 Molecular Weight (g/mol): 168.15 Synonym: 2,5-Dihydroxybenzeneacetic Acid,2,5-Dihydroxy-α-toluic Acid,2,5-Dihydroxyphenylacetic Acid,Alcapton,Homogentisinic Acid,NSC 88940 IUPAC Name: 2-(2,5-dihydroxyphenyl)acetic acid SMILES: OC(=O)Cc1cc(O)ccc1O