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Fosphenytoin Sodium
C16H13N2Na2O6P 406.24
 2,4-Imidazolidinedione, 5,5-diphenyl-3- [(phosphonooxy)methyl]-, disodium salt;
 3-(Hydroxymethyl)-5,5-diphenylhydantoin, disodium phosphate (ester) [92134-98-0]

DEFINITION

Fosphenytoin Sodium contains NLT 98.0% and NMT 102.0% of fosphenytoin sodium (C16H13N2Na2O6P), calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Fosphenytoin Sodium RS
USP Phenytoin RS
USP Phenytoin Related Compound A RS
USP Phenytoin Related Compound B RS
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