| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to off-white powder | Conforms |
| Melting point | 248℃~251℃ | 250℃ |
| Loss on drying | ≤0.2% | 0.11% |
| Isomer | ≤0.5% | 0.26% |
| Heavy metals | ≤20ppm | 2ppm |
| Assay(HPLC) | ≥99.0% | 99.48% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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