CAS: 207511-11-3 Molecular Formula: C7H9N2NaO5S2 Molecular Weight (g/mol): 288.27 MDL Number: MFCD00192260 InChI Key: OIYOMRFNKQEDEH-UHFFFAOYSA-M Synonym: 2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt PubChem CID: 23676756 IUPAC Name: sodium 2-sulfanylidene-2,3-dihydro-1H-1,3-benzodiazole-5-sulfonate dihydrate SMILES: O.O.[Na+].[O-]S(=O)(=O)C1=CC=C2NC(=S)NC2=C1