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Warfarin Sodium

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Warfarin Sodium

Molecule
Chemical name 4-Hydroxy-3-[3-oxo-I-(R,S)-Phenylbutyl]-2H-benzopyran-2-one, sodium salt
Formula C19H15NaO4
CAS number [129-06-6]
ATC code B01AA03
Mol. mass 330.32 g/mol
Regulatory Status
CEP
Taro's Patent
Territory Patent no. Patent details
US
US 6,610,862 Preparing pure Warfarin Sodium from Warfarin Sodium 2-Propanol Clathrate by solvent expulsion Family: None
US 6,512,005 A process for preparing pure Warfarin acid from crude Warfarin acid by suspending the crude acid in a water immiscible solvent, preferably toluene, extracting the acid into an aqueous solution of dilute base, separating the resulting aqueous phase and diluting it with a lower alkyl alcohol, preferably, 2-propanol.Family: None