| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or light yellow crystalline powder | Conforms |
| Identification | Positive | Conforms |
| Clarity and color of solution | Clear ≤BY4 | Conforms |
| Melting point | 180℃~183℃ | 182℃ |
| Loss on drying | ≤0.50% | 0.13% |
| Residue on ignition | ≤0.10% | 0.04% |
| Related substances | ≤0.50% | 0.20% |
| Heavy metal | ≤20ppm | <20ppm |
| Assay(dried basis) | ≥99.0% | 99.90% |
| Conclusion: The Product Conforms to CVP. |
||