53716-49-7 Carprofen Carprofen factory
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Carprofen
1. CAS No.:53716-49-7
2. Quality: EP6
3. Document: ISO
1. Specification of Carprofen
Items Specifications Results
Appearance White or almost white crystalline powder Conforms
Identification Infrared absorption spectrum corresponds to that of the reference standard Conforms
Appearance of solution The solution is clear and not more than intensely coloured than reference solution BY3 Conforms
Loss on drying Not more than 0.5% 0.23%
Sulphated ash Not more than 0.1% 0.07%
Heavy Metals Not more than 0.002% Conforms
Related substances
Unspecified impurities Not more than 0.2% 0.17%
Total impurities Not more than 0.5% 0.39%
Assay 98.5%~101.5% on the dried basis 99.30%
Residual solvents
Acetone Not more than 5000ppm Not detected
Organic Volatile impurity
Methylene Chloride Not more than 500ppm Not detected
Conclusion The results can conform to EP6
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