CAS: 42967-55-5 Molecular Formula: C9H7KO4 Molecular Weight (g/mol): 218.249 MDL Number: MFCD00058989 InChI Key: DWNDFZTVSFSFTB-UHFFFAOYSA-M Synonym: Terephthalic Acid Monomethyl Ester Potassium Salt PubChem CID: 23683753 IUPAC Name: potassium;4-methoxycarbonylbenzoate SMILES: COC(=O)C1=CC=C(C=C1)C(=O)[O-].[K+]