| 甘氨酸 | CP2020 | EP11 | USP2023 | 
| 含量 | ≥ 99.0% | 98.5-101.0% | 98.5-101.5% | 
| 酸度 | 5.6-6.6 | 5.9-6.4 | / | 
| 比旋度[a]D20 | / | / | / | 
| 比旋度[a]D25 | / | / | / | 
| 透光 | ≥ 98.0% | / | / | 
| 溶液外观 | / | clear & not more intensely coloured than reference solution Y7 | / | 
| 氯化物 | ≤0.007% | ≤ 75 ppm | ≤0.007% | 
| 铵盐 | ≤ 0.02% | ≤0.02% | |
| 硫酸盐 | ≤0.006% | / | ≤0.0065% | 
| 铁盐 | ≤0.001% | / | / | 
| 重金属 | ≤10PPM | / | / | 
| 砷盐 | ≤1PPM | / | / | 
| 其他氨基酸 | ≤0.5% | Impurities B,H,I≤ 0.1% Unspecified impurities≤ 0.1% total impurities ≤ 0.2%  | Glycine anhydride ≤ 0.1% Iminodiacetic acid≤ 0.1% Diglycine≤ 0.1% Triglycine≤ 0.1% Hexamethylenetramine≤ 0.1% total impurities≤ 1.0%  | 
| 茚三酮活性物质 | / | Each impurities≤ 0.1% Total impurities≤ 1.0%  | / | 
| 干燥失重 | ≤0.20% | ≤0.50% | ≤0.20% | 
| 炽灼残渣 | ≤0.10% | ≤0.10% | ≤0.10% | 
| 内毒素 | < 20 EU/g | < 20 EU/g | < 20 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 |