| Items | Specifications |
| Appearance | A white or almost white crystalline powder |
| Identification | Meets the requirements |
| Specific Optical Rotation | +56°~ +62° |
| Related Substances | Single impurity≤1.0% Total impurities≤2.0% |
| Methanol | ≤0.2% |
| Methylene Dichloride | ≤0.06% |
| Pyridine | ≤0.02% |
| Residue on Ignition | ≤0.5% |
| Loss on Drying | ≤0.5% |
| Heavy Metals | ≤20ppm |
| Assay | 97.0 ~ 102.0% |
