| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Melting point | 170℃~176℃ | 174℃ |
| Specific rotation | +18°~+20° | +19.1° |
| Clarity of solution | Clear colorless solution | Conforms |
| Burning residue | ≤0.10% | 0.01% |
| Loss on drying | ≤0.50% | 0.11% |
| Heavy metals | ≤0.001% | 0.001% |
| Assay | 98.5%~102.0% | 99.50% |
| Conclusion: The Product Conforms to CP/USP. |
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