Indometacin CAS 53-86-1 is an off-white crystalline powder, a classic non-steroidal anti‑inflammatory API. It inhibits COX enzyme, featuring strong anti-inflammatory, analgesic and antipyretic effects, widely used in pharma formulation and lab research. This product is prescription API, for legitimate pharmaceutical manufacturing and legal research only. Abuse, unauthorized administration and illegal resale are prohibited. The buyer shall comply with local pharmaceutical regulations. Any misuse will bear legal liability.
Product Information
Chemical Name: Indometacin
Synonym: Indomethacin
CAS No.: 53-86-1Molecular Formula: C₁₉H₁₆ClNO₄
Molecular Weight: 357.79
Grade: Pharma Grade / Research Grade
Appearance: White to off-white crystalline powder
Melting Point: 158–162 ℃
Solubility: Slightly soluble in water, soluble in ethanol, acetone
Storage: Keep away from light, sealed storage
| Item | Standard |
|---|---|
| Assay | 99.0%–101.0% |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10 ppm |
| Melting Range | 158–162 ℃ |
Use & Application
Active pharmaceutical ingredient for anti-inflammatory, analgesic, antipyretic preparations
Used for rheumatoid arthritis, osteoarthritis, gout pain and related inflammatory diseases
Raw material for pharmaceutical research and biological COX inhibition study
Reference standard for impurity testing in pharma labs
Packing & Storage
Packed in 25kg fibre drum with inner double PE bag.
Store in dark, cool, dry and ventilated warehouse, avoid sunlight.



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