| ≥1 piece | 5 |
| item | index |
| (C6H14N2O2)HCL(dry basis) | ≥98.5% |
| Specific rotation{α}D20 | +18°~+21.5° |
| Losing on Drying | ≤15% |
| Ammonium salt (as NH+4) | ≤0.04% |
| Burn residue | ≤0.3% |
| Heavy metals(as Pb) | ≤30mg/kg |
| Arsenic(As) | ≤2.0mg/kg |