Molecular Formula: C4H8N2O3
Molecular Weight: 132.12
CAS No: 70-47-3
| L- Asparagine | EP10 |
| Assay | 99.0-101.0% |
| PH | 4.0-6.0 |
| Specific rotation[a]D20 | +33.7-+36.0 |
| Specific rotation[a]D25 | / |
| Transmittance(T430) | / |
| Appearance of solution | clear & colorless |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | ≤0.1% |
| Sulfate(SO4) | ≤0.02% |
| Iron(Fe) | ≤10PPM |
| Heavy metals(Pb) | / |
| Arsenic | / |
| Other amino acids | Impurity A≤ 0.5% Impurity C≤ 0.1% each impurity ≤ 0.05% total impurity≤ 0.8% |
| Ninhydrin-positive substances | / |
| Loss on drying | ≤1.0% |
| Residue on ignition | ≤0.10% |
| Endotoxin | < 25 EU/g |
| Total plate count | ≤ 500 CFU/g |
| Moulds & Yeasts | ≤ 50 CFU/g |