SPL Set ID: 214b6c28-7418-5ebd-e063-6394a90ae833
1 drug(s) with this SPL Set ID
Doxepin hydrochloride is one of a class of psychotherapeutic agents known as dibenzoxepin tricyclic compounds. The molecular formula of the compound is C 19 H 21 NO • HCl having a molecular weight of 315.84. It is a white to almost white crystalline powder freely soluble in water, in alcohol and methylene chloride. It may be represented by the following structural formula: Chemically, doxepin hydrochloride is a dibenzoxepin derivative and is the first of a family of tricyclic psychotherapeutic agents. Specifically, it is an isomeric mixture of 1-Propanamine, 3- dibenz[ b,e ]oxepin-11 (6 H )ylidene- N,N -dimethyl-hydrochloride. Each 10 mg, 25 mg, 50 mg, 75 mg and 100 mg doxepin hydrochloride capsule for oral administration contains doxepin hydrochloride, USP equivalent to 10 mg, 25 mg, 50 mg, 75 mg and 100 mg of doxepin, respectively and the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, pregelatinized starch (maize), and sodium lauryl sulfate. The empty gelatin capsule shells contain D&C Yellow No. 10, gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the 25 mg and 50 mg empty gelatin capsule shells contain FD&C Yellow 6, the 75 mg and 100 mg empty gelatin capsule shells contain FD&C Green 3 and the 10 mg empty gelatin capsule shells contain FD&C Red 3. The imprinting ink contains black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, purified water, shellac and strong ammonia solution. FDA approved dissolution test specifications differ from USP. Doxepin Hydrochloride Structural Formula