| Customization: | Available |
|---|---|
| CAS No.: | 72-19-5 |
| Formula: | C4h9no3 |
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| SI. NO. | Items | CP2020 | USP2023 | EP10.0 | AJI92 |
| 1 | Assay | ≥98.5% | 98.5%~101.5% | 99.0%~ 101.0 % | 99.0%~ 100.5 % |
| 2 | Identification | The IR spectrum conforms to that of reference spectrum | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard |
| 3 | Specific rotation | -26.0°~ -29.0° | -26.7°~ -29.1° | -27.6°~ -29.0° | -27.6°~ -29.0° |
| 4 | pH | 5.0~6.5 | 5.0~6.5 | 5.0~6.5 | 5.5~6.2 |
| 5 | Transmittance | ≥98.0% | -- | The solution is clear. | ≥98.0% |
| 6 | Loss on drying | ≤ 0.2% | ≤ 0.2% | ≤0.5% | ≤0.20% |
| 7 | Residue on ignition | ≤ 0.1% | ≤ 0.4% | ≤ 0.1% | ≤0.10% |
| 8 | Chloride | ≤ 0.02% | ≤ 0.05% | ≤200 ppm | ≤ 0.020% |
| 9 | Sulfate | ≤ 0.02% | ≤ 0.03% | ≤300 ppm | ≤ 0.020% |
| 10 | Ammonium | ≤0.02% | -- | ≤0.02% | ≤0.02% |
| 11 | Iron | ≤0.001% | ≤ 30ppm | ≤10 ppm | ≤10 ppm |
| 12 | Heavy metals | ≤10 ppm | -- | -- | ≤10 ppm |
| 13 | Arsenic | ≤0.0001% | -- | -- | ≤1ppm |
| 14 | Other amino acids | ≤ 0.5% | Individual impurity ≤ 0.5% Total impurities ≤ 2.0% |
-- | Conforms |
| 15 | Ninhydrin-positive substances | -- | -- | Any ninhydrin-positive substance:for each impurity ≤ 0.2% Total ≤ 0.5% |
-- |
| 16 | Endotoxin | < 12EU/g | (Optional) | (Optional) | -- |
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