SPL Set ID: 06573bd8-67b4-4478-8325-aa6be25787cb

Phentermine hydrochloride USP is a sympathomimetic amine anorectic. Its chemical name is α,α,-Dimethylphenethylamine hydrochloride. The structural formula is as follows: C 10 H 15 N•HCl M.W. 185.7 Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether. Phentermine hydrochloride, an anorectic agent for oral administration, is available as a capsule containing 37.5 mg of phentermine hydrochloride (equivalent to 30 mg of phentermine base). In addition, each capsule contains the following inactive ingredients: lactose monohydrate, magnesium stearate and talc. The capsule shell is composed of D&C Red No. 33, FD&C Blue No.1, titanium dioxide and gelatin. The imprinting ink contains: shellac glaze in ethanol, iron oxide black, n-butyl alcohol, propylene glycol, ethanol, methanol, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No.1 Aluminum Lake, FD&C Blue No.2 Aluminum Lake and FD&C Red No. 40 Aluminum Lake. structural-formula