| Test Items | Specification | Test Results |
| Appearance | White or off-white powder | confirm |
| Identification | A、R、C in Pass | confirm |
| Melting point | 41~46 degree | 42~43.5 degree |
| Chromatographic purity | In Pass | confirm |
| Related substance | Not more than the reference solution 0.05% | confirm |
| Heavy metals | ≤10ppm | confirm |
| Residue on ignition | ≤0.10% | 0.03% |
| Loss on Drying | ≤ 0.5% | 0.18% |
| Assay | 98.0 -101.0% | 99.60% |
| Conclusion | Confirms USP 32 | |
