| White powder | 99.0% |
| Item | Specification | Result |
| Appearance | White or off-white powder | Off-white powder |
| Assay(HPLC) | ≥99.0% | 99.85% |
| Melting point | 258.0 ～ 263.0℃ | 258.0 ～ 261.0℃ |
| Loss on drying | ≤0.5% | 0.08% |
| Moisture content | ≤0.5% | 0.11% |
| Heavy metals | ≤10ppm | Conforms |
| Arsenic | ≤2ppm | Conforms |
| Cadmium | ≤2ppm | Conforms |
| Lead | ≤5ppm | Conforms |
| Mercury | ≤1ppm | Conforms |
| Total plate count | ≤10000CFU/G | Conforms |
| Mold and yeast | ≤100CFU/G | Conforms |
| E.coli | ND | Conforms |
| Salmonella | ND | Conforms |
| Conclusion | Qualified | |
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