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. |