Nifuratel CAS 4936-47-4
|
Test items |
Specification |
Results |
|
Appearance |
Yellow crystalline powder |
Complies |
|
Melting point |
185.0-188.0℃ |
186.0-187.0℃ |
|
Identification |
(1)(2)Positive reaction(3) The infrared spectrum should be consistent with the control spectrum |
Complies Complies |
|
Acidity |
5.0-6.0 |
6.1 |
|
Color of solution |
Absorbance at 450nm, ≤0.09 |
Complies |
|
Related substances |
≤1.0% |
0.0% |
|
Drying weightlessness |
≤0.5% |
0.05% |
|
Scorching residue |
≤0.1% |
0.02% |
|
Heavy metal |
≤20ppm |
Complies |
|
Assay |
Calculated by dry product,Nitfurate (C10H11N3O5S)≥99.0% |
100.4% |
|
Conclusion |
The product was tested according to the national drug standard YHB10972006-2014Z,and the results were in conformity with the regulations. |
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