 |
| Menge: | |
|---|---|
DY0460
72-19-5
200-774-1
C4H9NO3
L-threonine
| Index name | Specification |
| Appearance | Conform to USP30 |
| Assay | 98.5% to 101.5% |
| Specific rotation | -26.7 to -29.1 deg |
| Chloride | 0.05% max |
| Sulfate | 0.03% max |
| Iron | 0.003% max |
| Heavy metals | 0.0015% max |
| PH | 5.5 to 6.5 |
| Loss on drying | 0.2% max |
| Residue on ignition | 0.4% max |
| Chromatographic purity | Meets the requirements |
| Individual impurity | 0.5% max |
| Total impurity | 2.0% max |
| Organic volatile impurities | Meets the requirements |
| Index name | Specification |
| Appearance | Conform to USP30 |
| Assay | 98.5% to 101.5% |
| Specific rotation | -26.7 to -29.1 deg |
| Chloride | 0.05% max |
| Sulfate | 0.03% max |
| Iron | 0.003% max |
| Heavy metals | 0.0015% max |
| PH | 5.5 to 6.5 |
| Loss on drying | 0.2% max |
| Residue on ignition | 0.4% max |
| Chromatographic purity | Meets the requirements |
| Individual impurity | 0.5% max |
| Total impurity | 2.0% max |
| Organic volatile impurities | Meets the requirements |