CAS: 77125-87-2 Molecular Formula: C15H9NaO6S Molecular Weight (g/mol): 340.281 MDL Number: MFCD00059757 InChI Key: BAUFCGCZFJQCFG-UHFFFAOYSA-M Synonym: 3-Hydroxyflavone-2′C-sulfonic Acid Sodium Salt, Flavonol-2′C-sulfonic Acid Sodium Salt PubChem CID: 44630295 IUPAC Name: sodium;2-(3-hydroxy-4-oxochromen-2-yl)benzenesulfonate SMILES: C1=CC=C2C(=C1)C(=O)C(=C(O2)C3=CC=CC=C3S(=O)(=O)[O-])O.[Na+]