| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or similar to white crystals powder | Conforms |
| Identification | IR: meet the requirement | Conforms |
| Specific optical rotation | -0.05°~+0.05° | +0.01° |
| Loss on drying | ≤1.0% | 0.15% |
| Residue in ignition | ≤0.5% | 0.10% |
| Assay | ≥98.5% | 99.10% |
| Conclusion: The Product Conforms to EP5.0/USP30. |
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