| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or light yellow crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Specific rotation | -75°~-88° | -82° |
| Single impurity | ≤1.0% | 0.12% |
| Total impurities | ≤2.0% | 0.65% |
| Water | 9.0%~12.0% | 10.6% |
| Assay | ≥99.0% | 99.80% |
| Conclusion: The Product Conforms to CP/USP. |
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