SPL Set ID: 532d40b2-c05c-4d4f-b7ee-e6434c4c27fc
1 drug(s) with this SPL Set ID
Indomethacin Extended-Release Capsules, USP are non-steroidal anti-inflammatory drugs, available as capsules containing 75 mg of indomethacin, USP, administered for oral use. The chemical name is 1-(p-chlorobenzoyl)-5-methoxy-2-methylindole-3-acetic acid. The molecular weight is 357.79 g/mol. Its molecular formula is C 19 H 16 ClNO 4 . The structural formula is: Indomethacin, USP is a white to yellow crystalline powder. It is practically insoluble in water; sparingly soluble in alcohol, chloroform, and ether. A pKa of 4.5 for the carboxyl group of indomethacin, USP was calculated from the aqueous solubility data. Potentiometric titration data in 50 % methanol-water yielded pKa of 4.5 using a correction factor for the solvent. The inactive ingredients in Indomethacin Extended-Release Capsules, USP 75 mg include: black iron oxide, D&C yellow No. 10, ethylcellulose, FD&C blue No. 1, FD&C red No. 40, gelatin, hypromellose, lactose monohydrate, polyethylene glycol, potassium hydroxide, shellac, sodium lauryl sulfate, sugar spheres, talc and titanium dioxide. This product meets USP Dissolution Test 2. structure