CAS: 1189685-28-6 Molecular Formula: C15 H13 O6 S . Na Molecular Weight (g/mol): 344.31 Synonym: 3,4-Dihydro-3-[4-(sulfooxy)phenyl]-2H-1-benzopyran-7-ol Sodium Salt; IUPAC Name: sodium;[4-(7-hydroxy-3,4-dihydro-2H-chromen-3-yl)phenyl] sulfate SMILES: [Na+].Oc1ccc2CC(COc2c1)c3ccc(OS(=O)(=O)[O-])cc3