| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 119℃~122℃ | 120℃ |
| Loss on drying | ≤0.5% | 0.20% |
| Residue on ignition | ≤0.1% | 0.08% |
| Heavy metals | ≤0.002% | 0.0001% |
| Related substances | ≤1.0% | 0.17% |
| Assay | ≥95.0% | 95.90% |
| Conclusion: The Product Conforms to CP/USP. |
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