| TESTING ITEMS | SPECIFICATION | RESULTS |
| Appearance | White crystalline powder | White crystalline powder |
| Identification(IR) | Meet the requirements | Conforms |
| Melting point | 130.0℃~135.0℃ | 132.0℃~133.6℃ |
| Water | ≤0.5% | 0.18% |
| Related substances | Taurine ≤1.0% | 0.24% |
| Residual solvent | Methanol ≤0.3% | 0.07% |
| Dichloromethane ≤0.06% | Not detected | |
| Ethanol ≤0.5% | Not detected | |
| Assay | ≥98.50% | 100.5% |
| Conclusion: The Product Conforms to Enterprise Standard. |
||