| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to almost white powder | Conforms |
| Loss on drying | ≤0.50% | 0.11% |
| Residue on ignition | ≤0.10% | 0.05% |
| Heavy metals | ≤10ppm | 1ppm |
| Total impurities | ≤0.50% | 0.29% |
| Assay(HPLC) | 99.0%~101.0% | 99.50% |
| Conclusion: The Product Conforms to USP. |
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