| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Pale Yellow crystalline powder | Conforms |
| Identification | Positive | Positive |
| Loss on drying | ≤2.0% | 1.6% |
| Melting point | 128℃~140℃ | 135℃ |
| Assay | 98.0%~101.0% | 99.20% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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