CAS: 5965-83-3 Molecular Formula: C9H14O6S Molecular Weight (g/mol): 250.27 MDL Number: MFCD00007508,MFCD00149540 InChI Key: NFYHZVWMQHQKRU-UHFFFAOYSA-N Synonym: 2-hydroxy-5-sulfobenzoic acid dihydrate,5-sulfosalicylic acid dihydrate,sulfosalicylic acid dihydrate,benzoic acid, 2-hydroxy-5-sulfo-, dihydrate,unii-09ngq462s6,2-hydroxy-5-sulfobenzoic acid, hydrate, hydrate,5-sulfosalicylsyre,5-sulfosalicylsaeure,salicylic acid, 5-sulfo-, dihydrate,acmc-1aymd PubChem CID: 2723734 IUPAC Name: 2-hydroxy-5-sulfobenzoic acid;dihydrate SMILES: C.C.OC(=O)C1=CC(=CC=C1O)S(O)(=O)=O