Also known as: Dynastat (brand); Parecoxib free base; propanamide prodrug of valdecoxib
Parecoxib is a prodrug of valdecoxib, a highly selective cyclooxygenase-2 (COX-2) inhibitor used for the short-term treatment of acute postoperative pain. It is the only parenteral COX-2 inhibitor available. Mediocon Inc manufactures this API at its GMP-certified facility in Aurangabad, Maharashtra, India.
| Parameter | Specification |
|---|---|
| CAS Number | 198470-85-8 |
| Molecular Formula | C19H20FNO4S |
| Molecular Weight | 377.43 g/mol |
| Grade | IP / BP / USP |
| Category | COX-2 Inhibitor / NSAID / Analgesic |
| Appearance | White to off-white, crystalline powder |
| Solubility | Practically insoluble in water, freely soluble in methanol and soluble in ethanol |
| Assay | NLT 98.0% |
| Loss on Drying | NMT 0.5% |
| Heavy Metals | NMT 20 ppm |
| Residue on Ignition | NMT 0.1% |
| Microbial Limits | Complies with pharmacopoeia |
| Identification | IR, HPLC Compliant |
| Batch No | PRX/24032026 |
| Mfg Date | MAR 2026 |
| Exp Date | FEB 2031 |
| Packing | 25 kg HDPE drums / as per requirement |