| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to light yellow crystals powder | Conforms |
| Melting point | 218℃~222℃ | 220℃ |
| Loss on drying | ≤1.0% | 0.04% |
| Heavy metals | ≤0.002% | 0.0001% |
| Assay | 98.5%~100.5% | 99.80% |
| Conclusion: The Product Conforms to CP/USP/EP. |
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