| Testing items | Specifications | Results |
| Description | White to off-white crystalline powder | Conforms |
| Identification | IR and UV absorption and chloride | Conforms |
| PH | 4.5~6.0 | 5.36 |
| Loss on drying | ≤0.75% | 0.23% |
| Residue on ignition | ≤0.10% | 0.05% |
| Related substances | Single impurity ≤0.1% | 0.03% |
| Related compound B≤0.3% | 0.15% | |
| Sum impurity ≤0.5% | 0.23% | |
| Assay | 97.5%~102.0% | 100.35% |
| Conclusion: The Product Conforms to CP/USP. | ||
