| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Melting point | 139℃~142℃ | 141℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Residue on ignition | ≤0.10% | 0.03% |
| Heavy metals | ≤0.001% | 0.0004% |
| Assay | 98.0%~102.0% | 99.50% |
| Conclusion: The Product Conforms to USP/JP. |
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