| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Pale yellow crystalline powder | Confirms |
| Solubility | Soluble in ethanol solution showed pale yellow clarified liquid | Confirms |
| Melting point | 128℃~131℃ | 129.1℃ |
| Loss on drying | ≤0.50% | 0.08% |
| Chloride | ≤0.07% | 0.01% |
| Assay( On dried basis) | 99.0%~101.0% | 99.20% |
| Conclusion: The Product Conforms to USP. |
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