Customization: | Available |
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CAS No.: | 73-22-3 |
Formula: | C11h12n2o2 |
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Item | USP24 Specifications | |
Appearance | White crystalline powder | |
Assay % | 98.5-101.5% | |
PH value | 5.5-7.0 | |
Specific rotation [a]D020 | -29.4~-32.8° | |
Chloride (Cl) | ≤0.05% | |
Sulfate (SO4) | ≤0.03% | |
Iron (Fe) | ≤30ppm | |
Heavy metals (Pb) | ≤15ppm | |
Arsenic | ≤2ppm | |
Lead (Pb) | ≤5ppm | |
Loss on drying | ≤0.3% | |
Residue on drying | ≤0.1% | |
Organic volatile impurities | Conforms |