Diphenhydramine hydrochloride Impurities

Find here the secondary pharmaceutical standard of the native API Diphenhydramine hydrochloride traceable to USP and PhEur.

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62226 2-[(RS)-(4-Methylphenyl)phenylmethoxy]-N,N-dimethylethanamine hydrochloride pharmaceutical impurity standard 2-[(4-Methyl-α-phenylbenzyl)oxy]ethyl(dimethyl)ammonium chloride 4-Methyldiphenhydramine hydrochloride N,N-Dimethyl-2-[(4-methylphenyl)phenylmethoxy]ethanamin hydrochloride Diphenhydramine impurity B (PhEur) Neobenodine