SPL Set ID: 1af467cb-7b21-4084-bb54-4634e928b167
1 drug(s) with this SPL Set ID
Cyclobenzaprine hydrochloride USP is a skeletal muscle relaxant which relieves muscle spasm of local origin without interfering with muscle function. The active ingredient in cyclobenzaprine hydrochloride extended-release capsules is cyclobenzaprine hydrochloride, USP. Cyclobenzaprine hydrochloride (HCl) is a white, crystalline tricyclic amine salt with the empirical formula C 20 H 21 N•HCl and a molecular weight of 311.9. It has a melting point of 217°C, and a pKa of 8.47 at 25°C. It is freely soluble in water and alcohol, sparingly soluble in isopropanol, and insoluble in hydrocarbon solvents. If aqueous solutions are made alkaline, the free base separates. Cyclobenzaprine HCl is designated chemically as 3-(5 H -dibenzo[ a,d ] cyclohepten-5-ylidene)- N,N -dimethyl-1-propanamine hydrochloride, and has the following structural formula: Cyclobenzaprine hydrochloride extended-release capsules USP for oral administration are supplied in 15 and 30 mg strengths. Cyclobenzaprine hydrochloride extended-release capsules USP contain the following inactive ingredients: sugar spheres, hypromellose, colloidal silicon dioxide, ethyl cellulose. In addition, the capsule shell consists of gelatin, sodium lauryl sulphate, titanium dioxide, FD & C Red 40. Also, 15 mg strength capsules contain FD & C Green 3 and D & C Yellow 10 and 30 mg strength capsules contain FD & C Yellow 6 and FD & C Blue 1. USP Dissolution Test pending structure