| TESTING ITEMS | SPECIFICATION | RESULTS |
| Appearance | White scaly crystallization | Conforms |
| Melting point | 120℃~125℃ | 124.3℃ |
| Loss on drying | ≤1.0% | 0.23% |
| Specific optical rotation | -16°~-20° | -18.30° |
| Assay | ≥98.0% | 98.96% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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