| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Yellow to tawny powder | Conforms |
| Water | ≤4.0% | 3.3% |
| Loss on drying | ≤6.0% | 4.2% |
| Related substances (HPLC) |
Other max. single impurity ≤1.5% | 0.4% |
| Epimer ≤1.5% | 0.7% | |
| Total impurities ≤5.0% | 2.5% | |
| Purity | ≥95.0% | 97.5% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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