CAS: 207801-20-5 Molecular Formula: C7H7NaO2S Molecular Weight (g/mol): 178.18 MDL Number: MFCD00149640 InChI Key: KFZUDNZQQCWGKF-UHFFFAOYSA-M Synonym: sodium p-toluenesulfinate hydrate,benzenesulfinic acid, 4-methyl-, sodium salt, hydrate,c7h7o2s.na.h2o,p-toluenesulfinic acid sodium salt,sodium 4-toluenesulphinate monohydrate,p-toluenesulfinic acid sodium salt hydrate,sodium 4-methylbenzenesulfinate hydrate,p-toluenesulfinic acid sodium salt dry wt. , water PubChem CID: 23682957 IUPAC Name: sodium;4-methylbenzenesulfinate;hydrate SMILES: [Na+].CC1=CC=C(C=C1)S([O-])=O