CAS: 306-08-1 Molecular Formula: C9 H10 O4 Molecular Weight (g/mol): 182.17 Synonym: Benzeneacetic acid, 4-hydroxy-3-methoxy-,Acetic acid, (4-hydroxy-3-methoxyphenyl)- (6CI,8CI),4-Hydroxy-3-methoxybenzeneacetic acid,(4-Hydroxy-3-methoxyphenyl)acetic acid,3-Methoxy-4-hydroxyphenylacetic acid,3'-Methoxy-4'-hydroxyphenylacetic acid,HVA,Homovanillic acid,NSC 16682,Vanilacetic acid IUPAC Name: 2-(4-hydroxy-3-methoxyphenyl)acetic acid SMILES: COc1cc(CC(=O)O)ccc1O