USPUSP-NF
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Phenobarbital Sodium
C12H11N2NaO3 254.22
 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-phenyl-, monosodium salt.
 Sodium 5-ethyl-5-phenylbarbiturate [57-30-7]

» Phenobarbital Sodium contains not less than 98.5 percent and not more than 101.0 percent of C12H11 N2NaO3, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Phenobarbital RS
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