SPL Set ID: 89db0dec-3800-4d89-a765-24838f4d0c30

Celecoxib capsule is a nonsteroidal anti-inflammatory drug, available as capsules containing 50 mg, 100 mg, 200 mg and 400 mg celecoxib for oral administration. The chemical name is 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide and is a diaryl- substituted pyrazole. The molecular weight is 381.38. Its molecular formula is C 17 H 14 F 3 N 3 O 2 S, and it has the following chemical structure: Celecoxib is a white to off-white powder with a pKa of 11.1 (sulfonamide moiety). Celecoxib is hydrophobic (log P is 3.5) and is practically insoluble in aqueous media at physiological pH range. The inactive ingredients in celecoxib capsules include: croscarmellose sodium, lactose monohydrate, magnesium stearate, povidone and sodium lauryl sulfate. The empty hard gelatin capsule shells contain gelatin and titanium dioxide. The capsules are imprinted with edible ink containing propylene glycol and shellac. In addition, 50 mg capsules are imprinted with N-butyl alcohol, FD&C yellow No.6, D&C red No.7 and titanium dioxide. 100 mg capsules are imprinted with N-butyl alcohol, strong ammonia solution, titanium dioxide and FD&C blue No.1 aluminum lake. 200 mg capsules are imprinted with iron oxide yellow, N-butyl alcohol, ammonium hydroxide and simethicone. 400 mg capsules are imprinted with N-butyl alcohol, strong ammonia solution, titanium dioxide, FD&C blue No.1 aluminum lake and FD&C yellow No.10 aluminum lake. chemical-structure.jpg