| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Off-white crystalline powder | Conforms |
| Identification | Meet the inquirements | Conforms |
| Melting point | 97℃~99℃ | 98℃ |
| Loss on drying | ≤0.50% | 0.20% |
| Assay | ≥99.0% | 99.64% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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