CAS: 1984-15-2 Molecular Formula: CH4Na2O6P2 Molecular Weight (g/mol): 219.96 MDL Number: MFCD00002139 InChI Key: RXSYPQBNTPQOTQ-UHFFFAOYSA-L Synonym: methylenediphosphonic acid,medronic acid,acido medronico,methylene diphosphonate,acide medronique,acidum medronicum,phosphonic acid, methylenebis,methylenebis phosphonic acid,mdp-bracco,methanediphosphonic acid PubChem CID: 16124 ChEBI: CHEBI:43945 IUPAC Name: phosphonomethylphosphonic acid SMILES: [Na+].[Na+].OP([O-])(=O)CP(O)([O-])=O