USPUSP-NF
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Diphenhydramine Hydrochloride Oral Powder

DEFINITION

Diphenhydramine Hydrochloride Oral Powder contains NLT 90.0% and NMT 110.0% of the labeled amount of diphenhydramine hydrochloride (C17H21NO·HCl).

USP REFERENCE STANDARDS FOR PURCHASE

USP Benzhydrol RS
USP Benzophenone RS
USP Diphenhydramine Hydrochloride RS
USP Diphenhydramine N-Oxide RS
USP Diphenhydramine Related Compound A RS
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