USPUSP-NF
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Pentobarbital
C11H18N2O3 226.27
 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-(1-methylbu tyl)-, (±)-;
 (±)-5-Ethyl-5-(1-methylbutyl)barbituric acid [76-74-4]

DEFINITION

Pentobarbital contains NLT 98.0% and NMT 102.0% of C11H18N2O3, calculated on the dried basis. Where the material is labeled as intended solely for veterinary use, Pentobarbital contains NLT 97.0% and NMT 102.0% of C11H18N2O3, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Pentobarbital RS
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