Complaint
| Item | Specification | Results |
| Description | Practically white,crystalline powder. Very slightly soluble in water and in insoluble in other common organic | conform |
| Identification | ||
| A.Infrared absorption | To match with the reference IR spectrum | conform |
| B.Specific optical rotation | meet the requirements | conform |
| C.HPLC | The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay | conform |
| Assay | 97.5%~102.0% | 99.0% |
| Related compounds | ||
| 1.Individual impurity | NMT1.0% | 0.06% |
| 2.Total impurities | NMT2.0% | 0.06% |
| Residual Solvents(Toluene) | ≤890ppm | <20ppm |
| Optical Rotation | +89° - +93° | +90.6° |
