Diphenhydramine hydrochloride ≥98.0% (by HPLC, titration analysis)
Supplier: TCI
Diphenhydramine hydrochloride ≥98.0% (by HPLC, titration analysis)
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Diphenhydramine hydrochloride 99%
Supplier: Thermo Fisher Scientific
Appearance: White Adhering crystalline powder or crystals