2-(6-chloro-9H-carbazol-2-yl)propanoic acid
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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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