| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Yellow crystalline powder | Conforms |
| Water solubility | Slightly soluble | Conforms |
| Melting point | 45℃~48℃ | 45.8℃~47.5℃ |
| Loss on drying | ≤1.0% | 0.52% |
| Assay | ≥99.0% | 99.45% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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