Items
Specifications
Results
Appearance
Yellow or light yellow crystalline powder
Conforms
Melting point
About 182 ℃
181.5 ~ 182.5℃
Solubility
Identification
Positive
Loss on drying
≤0.5%
0.23%
Heavy metals
≤0.002%
Residue on ignition
≤0.1%
0.01%
Related substance
0.25%
Isotretinion
≤5.0%
0.4%
Assay
98.0 ~ 102.0%
99.10%
Conclusion
The product conforms to USP38 Standard.
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