CAS: 117552-78-0 Molecular Formula: C12H12CaO11S2 Molecular Weight (g/mol): 436.415 MDL Number: MFCD00867249 InChI Key: JMTQBGBMQZPWCS-UHFFFAOYSA-L Synonym: Calcium 2,5-Dihydroxybenzenesulfonate, 2,5-Dihydroxybenzenesulfonic Acid Calcium Salt PubChem CID: 45358052 IUPAC Name: calcium;2,5-dihydroxybenzenesulfonate;hydrate SMILES: C1=CC(=C(C=C1O)S(=O)(=O)[O-])O.C1=CC(=C(C=C1O)S(=O)(=O)[O-])O.O.[Ca+2]