SPL Set ID: 7a28cce1-4805-b3d1-4484-e7a49c597660
1 drug(s) with this SPL Set ID
Doxycycline capsules 40 mg are hard gelatin capsule shells filled with two types of doxycycline beads (26 mg immediate-release and 14 mg delayed-release) that together provide a dose of 40 mg of anhydrous doxycycline (C 22 H 24 N 2 O 8 ). The structural formula of doxycycline, USP is: with a molecular formula of C 22 H 24 N 2 O 8 •H 2 O and a molecular weight of 462.46. The chemical designation for doxycycline is 2-Naphthacenecar-boxamide,4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, [4S-(4α, 4aα, 5α, 5aα, 6α,12aα)]-, monohydrate. It is soluble in dilute solutions of mineral acids and in solutions of alkali hydroxides and carbonates. Inert ingredients in the formulation are: gelatin, hypromellose, iron oxide red, iron oxide yellow, methacrylic acid ethyl acrylate copolymer dispersion, polyethylene glycol, polysorbate 80, sugar spheres, talc, titanium dioxide, and triethyl citrate. The black ink contains black iron oxide, potassium hydroxide, and shellac. FDA approved dissolution test method and specifications differ from USP.