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 |
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