| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to light yellow powder | Conforms |
| Melting point | 165℃~178℃ | 173℃ |
| Specific rotation | -35°~-45° | -41° |
| Loss on drying | ≤0.50% | 0.10% |
| Assay | ≥98.0% | 98.60% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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