| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 173℃~175℃ | 174℃ |
| Single impurity | ≤0.20% | 0.12% |
| Total impurities | ≤1.0% | 0.15% |
| Water | ≤2.0% | 0.36% |
| Assay | ≥99.0% | 99.70% |
| Conclusion: The Product Conforms to CP/USP. |
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