| N- 乙酰-L-半胱氨酸 | USP36 | AJI92 |
| 含量 | 98.0~102.0% | 98.5~101.0% |
| 酸度 | 2.0~2.8 | 2.0~2.8 |
| 比旋度 [α]D20 | +21.0°~+27.0° | +21.3°~+27.0° |
| 透光率 | / | Clear and colourless≥98.0% |
| 氯化物 | / | ≤0.04% |
| 銨鹽 | / | ≤0.02% |
| 硫酸鹽 | / | ≤0.03% |
| 鐵鹽 | / | ≤10ppm |
| 重金屬 | ≤10ppm | ≤10ppm |
| 砷 | / | ≤1ppm |
| 其它氨基酸 | / | Chromatographically Not detectable |
| 干燥失重 | ≤1.0% | ≤0.50% |
| 熾灼殘?jiān)?/td> | ≤0.50% | ≤0.20% |
| 熔點(diǎn) | / | 106℃~110℃ |
| 溶劑殘留 | Meets the requirements | / |
| 總菌 | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
| 霉菌&酵母菌 | ≤ 100 CFU/g | ≤ 100 CFU/g |