| Item | Specification | Test Results |
| Characteristics | Yellow or yellow orange crystalline powder,Odorless | Complies |
| Identification | A256/A365:2.80~3.00 | 2.86 |
| Water | NMT8.5% | 7.86% |
| Residue on ignition | NMT0.3% | 0.17% |
| Chromatographic purity | NMT2.0% | Conforms |
| Organic Volatile Impurities | Meets the requirements | Conforms |
| Assay(anhydrous basis) | 97.0%~102.0% | 101.45% |
| Conclusion | The result conforms the USP35 standard | |





















