Diphenhydramine Hydrochloride, identified by its CAS number 147-24-0, is a vital active pharmaceutical ingredient (API) that underpins a multitude of pharmaceutical formulations. Its chemical properties, including its molecular formula C17H22ClNO and its typical presentation as a white powder with high purity (often 99% or greater), make it an adaptable ingredient for drugs targeting allergies, insomnia, and motion sickness.

In pharmaceutical formulation, Diphenhydramine Hydrochloride's potent antihistamine action is paramount. It is a key component in medications designed to combat allergic reactions, providing relief from symptoms such as itching, sneezing, and rashes. Its effectiveness extends to topical preparations for insect bites and other dermatological allergies. Furthermore, its significant central nervous system effects are leveraged in formulations aimed at alleviating insomnia, offering a sedative effect that helps users fall asleep more readily. The antiemetic and anticholinergic properties also contribute to its use in managing nausea and motion sickness.

The market availability of Diphenhydramine Hydrochloride is robust, with numerous suppliers offering the compound. For businesses looking to buy Diphenhydramine Hydrochloride, particularly in bulk, identifying a reliable Diphenhydramine Hydrochloride supplier in China is often a strategic move. These suppliers frequently offer products that meet international standards, such as GMP certification, ensuring consistency and quality. When evaluating potential sources, buyers should pay close attention to the purity specifications and the supplier’s track record.

The price of Diphenhydramine Hydrochloride can vary based on purity, quantity, and supplier. However, it is generally considered an accessible and cost-effective API for many pharmaceutical applications. Ensuring that the purchased material, identified by CAS 147-24-0, aligns with regulatory requirements and desired formulation characteristics is key to successful product development and manufacturing. The consistent demand for its therapeutic benefits ensures a steady market for this essential pharmaceutical intermediate.

In summary, Diphenhydramine Hydrochloride's role in pharmaceutical formulations is indispensable, supported by its widespread availability and its proven efficacy across a range of medical indications.