Entecavir monohydrate Entecavir Entecavir 99.9%
CERTIFICATE OF ANALYSIS of ENTECAVIR MONOHYDRATE
Entecavir monohydrate |
Product name |
Entecavir monohydrate |
Inspection Items |
Accepted Standard |
Results |
Appearance |
White or almost white powder. |
Complies |
solubility |
Practically insoluble in water,in anhydrous ethanol and in heptane,slightly soluble in methanol. |
Complies |
Optical rotation |
+24.0°~+28.0° |
+26.8° |
Identification |
A:Specific optical rotation |
Complies |
B: By IR, To match with working standard |
Complies |
|
Water |
5.8%~7.0% |
6.2% |
Impurity F |
≤0.1% |
Not found |
Related Substances |
Unspecified impurity ≤0.1% |
0.01% |
Total impurities ≤0.3% |
0.03% |
|
Sulfated ash |
≤0.1% |
0.04% |
Heavy |
£10ppm |
Complies |
Residual solvents |
Dichloromethane≤600ppm |
Not detected |
Methanol≤3000ppm |
Not detected |
|
Ethyl acetate≤5000ppm |
200 ppm |
|
Toluene≤890ppm |
Not detected |
|
Particle size |
95% of the particles should be within 125um |
Complies |
Assay |
98.0%~102.0% |
99.9% |
Conclusion :Complies with EP9.0. |
CERTIFICATE OF ANALYSIS
Product name |
Entecavir monohydrate |
||
Batch No. |
18111201 |
Expiry date |
2021.11 |
Report Date |
2018.11.26 |
Quantity |
1200g |
Inspection Items |
Accepted Standard |
Results |
Appearance |
White or almost white powder. |
Complies |
solubility |
Practically insoluble in water,in anhydrous ethanol and in heptane,slightly soluble in methanol. |
Complies |
Optical rotation |
+24.0°~+28.0° |
+26.8° |
Identification |
A:Specific optical rotation |
Complies |
B: By IR, To match with working standard |
Complies |
|
Water |
5.8%~7.0% |
6.2% |
Impurity F |
≤0.1% |
Not found |
Related Substances |
Unspecified impurity ≤0.1% |
0.01% |
Total impurities ≤0.3% |
0.03% |
|
Sulfated ash |
≤0.1% |
0.04% |
Heavy |
£10ppm |
Complies |
Residual solvents |
Dichloromethane≤600ppm |
Not detected |
Methanol≤3000ppm |
Not detected |
|
Ethyl acetate≤5000ppm |
200 ppm |
|
Toluene≤890ppm |
Not detected |
|
Particle size |
95% of the particles should be within 125um |
Complies |
Assay |
98.0%~102.0% |
99.9% |
Conclusion :Complies with EP9.0. |
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