The chemical Warfarin sodium has a designated molecular formula of C19H15NaO4 and a molecular weight of 330.315 g/mol. Synonyms may include: 3-(alpha-Acetonylbenzyl)-4-hydroxycoumarin sodium salt, Athrombin, Caswell No. 903A, Coumadin sodium, Coumafene sodium, EINECS 204-929-4, EPA Pesticide Chemical Code 086003, Marevan, Panwarfin, Prothromadin, Ratsul soluble, Sodium (ChemID).