| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to off-white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 106℃~112℃ | 110℃ |
| Loss on drying | ≤1.00% | 0.28% |
| Residue on ignition | ≤0.25% | 0.13% |
| Assay | 97.0%~102.0% | 99.30% |
| Conclusion: The Product Conforms to CP/USP/EP. |
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