| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Light white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 144℃~145℃ | 144.6℃ |
| Loss on drying | ≤0.50% | 0.18% |
| Heavy metals | ≤0.002% | 0.001% |
| Residue on ignition | ≤1.0% | 0.05% |
| Assay | ≥99.0% | 99.40% |
| Conclusion: The Product Conforms to USP. |
||
