| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White powder | Conforms |
| Solution clarity | Clear | Conforms |
| Melting point | 132℃~133℃ | 132.6℃ |
| Loss on drying | ≤0.2% | 0.12% |
| Single impurity | ≤0.5% | 0.09% |
| Total impurities | ≤1.0% | 0.25% |
| Assay(HPLC) | 98.5%~101.0% | 99.48% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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