CAS number：59-40-5
Molecular formula：C14H12N4O2S
molecular weight：300.34
Chemical structure：
| Product name: | Sulfaquinoxaline base |
|
| Expiry Date: | Three years |
|
| Inspection Standard: | CPV2005 USP30 BPV2007 |
|
| Items | Specifications | Results |
| Description | Pale yellow or yellow powder | Pass |
| Identification | Conform to prescribed | Conform to prescribed |
| Assay (on dry basis) | 98.0-101.0% | 98.92% |
| Loss on drying | ≤1.0% | 0.46% |
| Residue on ignition | ≤0.1% | 0.08% |
| Acidity | ≤0.2ml | Pass |
| Heavy metals | ≤20ppm | Pass |
| Related substances | ≤1.0% | Pass |
| Conclusion : Conforms to CPV2005. | ||
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