United States Pharmacopeia (USP) Reference Standard
Synonym(s): 5,5-Diphenylhydantoin sodium salt; 5,5-Diphenyl-2,4-imidazolidinedione; Phenytoin
Empirical Formula: C15H11N2NaO2
Formula Weight: 274.25
Linear Formula: C15H11N2O2Na
MDL Number: MFCD00069674