Diphenhydramine.HCl
[CAS Number 147-24-0] Diphenhydramine.hydrochloride, sold under the brand name Benadryl, is an antihistamine primarily used to treat allergies due to its ability to inhibit the histamine-1 receptor. Diphenhydramine.HCl is available as reference material (bulk powder and/or solution) and as calibrated, Ready-to-Use, certified reference material (CRM). This product is designed for qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications.