SPL Set ID: f0df546e-17c9-4e85-839d-336612d7b9e5

Celecoxib is a nonsteroidal anti-inflammatory drug, available as capsules containing 50 mg, 100 mg, 200 mg and 400 mg celecoxib USP 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 USP is a white to off-white powder with a pKa of 11.1 (sulfonamide moiety). Celecoxib USP 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: gelatin, lactose monohydrate, magnesium stearate, povidone, sodium lauryl sulfate, hydroxypropyl cellulose, crospovidone and titanium dioxide. The imprinting ink of capsule shell of the 50 mg capsule contains the following inactive ingredients: shellac, propylene glycol, sodium hydroxide, titanium dioxide, povidone and FD&C Red#40 Aluminum Lake- E129. The imprinting ink of capsule shell of the 100 mg capsule contains the following inactive ingredients: shellac, propylene glycol, strong ammonia solution and FD&C Blue#2 Aluminum Lake-E132. The imprinting ink of capsule shell of the 200 mg capsule contains the following inactive ingredients: shellac, propylene glycol, strong ammonia solution and yellow iron oxide. The imprinting ink of capsule shell of the 400 mg capsule contains the following inactive ingredients: shellac, propylene glycol, sodium hydroxide, povidone, titanium dioxide, FD&C Blue#1 Aluminum Lake- E133 and FD&C Yellow#5 Aluminum Lake-E102. structure