SPECIFICATION
| Appearance | White or almost white, crystalline powder or flakes |
| Assay | 98.5-101.5% |
| Specific optical rotation | 20℃: +38.6°- +41.5°25℃: +38.2°- +41.1° |
| Lead | ≤5ppm |
| Loss on drying | ≤0.3% |
| Residue on ignition | ≤0.2% |
MOLECULAR STRUCTURE：
Molecular Formula:C6H13NO2
