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Chemical Name: (+/-)-6-chloro-alpha-methylcarbazole-2-acetic acid
CAS: 53716-49-7
Structural formula:

Molecular formula: C15H12CLNO2
Molecular weight: 273.73
Specification: Combined USP35 with Enterprise standard
Appearance: White or almost white crystalline powder;
Loss on drying: Not More Than 0.5%
Residue on lgnition: Not More Than 0.1%
Heavy metals: Not more than 20ppm
Single unknown impurities: ≤ 0.10%
Carbazole: ≥ 0.5%
Ketal: ≥ 0.5%
Hexachlorocyclohexane dual acid carbazole: ≥ 0.5%
Single known impurities: ≤ 0.5%
Total impurities: Not More Than 1.0%
Assay: 98.0% to 102.0% on the dried basis
Application: A medicine used for rheumatoid arthritis, osteoarthritis, acute gout, tendonitis, bursitis, soft tissue off injury or acute pain after surgical operation or a wound.

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