| Test items | Specification | Test Result |
| Appearance | White or off-white powder | White powder |
| Identification | H PLC: The retention time of major peak in the chromatogram of test solution corresponds to that in the chromatogram of the standard solution, as obtained in the related substances. | Conforms |
| Chromatographic purity(area normalization by HPLC) | Purity ≥98.0% | 98.11 % |
| Maximum Single impurity ≤1.0% | 0.54 % | |
| Total Impurity≤2.0% | 1.89% | |
| Water | ≤1.0% | 0.5% |
| Conclusive | The results above meet all requirements under in house standard. | |
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The End |