| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or off-white crystalline powder | Conforms |
| Specific rotation | +7.0°~+12.0° | +9.5° |
| Loss on drying | ≤0.50% | 0.30% |
| Related substance | ≤0.50% | 0.15% |
| Heavy metals | ≤0.002% | 0.0003% |
| Assay | ≥99.0% | 99.70% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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