CAS: 98-42-0 Molecular Formula: C7H9NO4S Molecular Weight (g/mol): 203.212 MDL Number: MFCD00035759 InChI Key: FLIOATBXVNLPLK-UHFFFAOYSA-N Synonym: 4-methoxymetanilic acid,2-anisidine-4-sulfonic acid,2-methoxyaniline-5-sulfonic acid,benzenesulfonic acid, 3-amino-4-methoxy,o-anisidine-4-sulfonic acid,2-methoxy-5-sulfoaniline,o-anisidine-p-sulfonic acid,2-aminoanisole-4-sulfonic acid,benzenesulfonic acid, 3-amino-4-methoxyl,acmc-20ahhh PubChem CID: 66821 IUPAC Name: 3-amino-4-methoxybenzenesulfonic acid SMILES: COC1=C(C=C(C=C1)S(=O)(=O)O)N