| L-天冬酰胺 | CP2020 | EP11 | USP2022 |
| 含量 | ≥98.0% | 99.0～101.0% | 98.0-101.5% |
| 酸度 | / | 4.0-6.0 | / |
| 比旋度[a]D20 | +31.0°-+35.0° | +33.7-+36.0 | +33.0°-+36.5° |
| 比旋度[a]D25 | / | / | / |
| 溶液外观 | / | clear & colorless | / |
| 透光 | ≥98.0% | / | / |
| 铅 | / | / | ≤5PPM |
| 氯化物 | ≤0.005% | ≤0.02% | / |
| 铵盐 | ≤0.1% | ≤0.1% | / |
| 硫酸盐 | ≤0.005% | ≤0.02% | / |
| 铁盐 | ≤10PPM | ≤10PPM | / |
| 重金属 | ≤10PPM | / | / |
| 砷盐 | ≤1PPM | / | / |
| 其他氨基酸 | ≤0.5% | Impurity A ≤ 0.5% Impurity C ≤ 0.1% each impurity ≤ 0.05% total impurity≤ 0.8% | total impurities≤ 1.0% |
| 茚三酮活性物质 | / | / | / |
| 干燥失重 | 11.5%～12.5% | 10.5-12.5% | 11.5-12.5% |
| 炽灼残渣 | ≤0.10% | ≤0.10% | ≤0.10% |
| 内毒素 | ＜ 25 EU/g | ＜ 25 EU/g | ＜ 25 EU/g |
| 总菌 | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
| 霉菌&酵母菌 | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |
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