| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Pale yellowish-white to light yellowish-white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Specific rotation | -92°~-106° | -96.35° |
| Loss on drying | 2.0%~3.0% | 2.4% |
| Residue on ignition | ≤0.20% | 0.03% |
| Heavy metals | ≤0.001% | 0.001% |
| Assay | 98.5%~102.0% | 99.80% |
| Conclusion: The Product Conforms to CP/USP. |
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