化學(xué)名稱(chēng): | N-乙酰-L-半胱氨酸 |
INCI名稱(chēng): | 乙酰半胱氨酸 |
英文名稱(chēng): | ACETYL CYSTEINE |
CAS號(hào): | 616-91-1 |
HS編碼 | 2930909099 |
化學(xué)式: | C5H9NO3S |
分子量: | 163.20 |
中文別名: | N-乙酰-L-半胱氨酸; N-乙酰基-L-半胱氨酸; N-乙酰半胱氨酸 |
英文別名: | N-ACETYL-L-CYSTEINE N-acetyl-L-cysteine; N-acetyl-(R)-cysteine; Naaxia; ACETYL-D-E; (R)-2-Acetamido-3-mercaptopropanoic acid; AC-ASP-GLU H2O; N-Acetyl-cysteine; N-acetylcycteine; Isospaglumic acid; NAAGA; L-N-acetyl-cysteine; AC-ASP-GLU-OH; Acetylcysteine; (2R)-2-acetylamino-2-carboxyethanethiol; N-acetyl-L-aspartyl-L-glutamate; N-acetyl-L-aspartyl-L-glutamic acid; AC-ASP-GLU; SPAGLUMIC ACID; N-acetyl-aspartatylglutamate; N-Acetyl-L-Cysteine; NAAG |
指 標(biāo) Specification | 標(biāo) 準(zhǔn) Standard |
外觀 Appearance | 白色或類(lèi)白色結(jié)晶性粉末White or almost white crystalline powder |
溶液外觀 Appearance of the Solution | 透明無(wú)色至淺黃色Transparent colorless to light yellow |
pH值 pH value | 2.0~2.8 |
比旋度 Specification Rotation | +21.0°~+27.0° |
熔點(diǎn) Melting Point | 104~110℃ |
干燥失重 Loss on Drying | ≤1.0% |
灼燒殘?jiān)?/span> Residue on Ignition | ≤0.5% |
氯化物Chloride | ≤10ppm |
硫酸鹽sulfate | ≤10ppm |
重金屬(鉛) Heavy metal(Lead) | ≤10ppm |
鐵鹽 Ironic Salt | ≤10ppm |
含量 Assay(drying basis) | 98.0~102.0% |
微生物檢測(cè) Microbial Test | |
總菌數(shù) Total Aerobic | ≤1000cfu/g |
霉菌和酵母 Yeast & Mold | ≤100cfu/g |
大腸桿菌 E.coli | Negative |
沙門(mén)氏菌 Salmonella | Negative |
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. |