化学名称: | N-乙酰-L-蛋氨酸 |
INCI名称: | 乙酰蛋氨酸 |
英文名称: | N-ACETYL-L-METHIONINE |
CAS号: | 65-82-7 |
HS编码 | 2930400000 |
化学式: | C7H13NO3S |
分子量: | 191.25 |
中文别名: | 醋酸基甲硫氨酸 N-乙酰-L-蛋氨酸 L(-)-N-乙酰甲硫氨基丁酸 L(-)-N-乙酰甲硫氨酸 N-乙酰-L(-)-蛋氨酸 N-乙酰-L-甲硫氨基酸 N-乙酰-L(DL)-蛋氨酸 |
英文别名: | N-acetyl-L-methionine; N-Acetyl-L-methionine; (2S)-2-acetamido-4-methylsulfanylbutanoic acid NAM L-Methionine-15N, N-Acetyl Derivative ACETYL-L-METHIONINE AC-MET-OH AC-METHIONINE N-ACETYL-L-MET N-AC-L-MET N-AC-L-METHIONINE N-ALPHA-ACETYL-L-METHIONINE (2S)-2-(acetylamino)-4-(methylsulfanyl)butanoate |
指 标 Specification | 标 准 Standard |
外观 Appearance | 白色或类白色结晶性粉末White or almost white crystalline powder |
溶液外观 Appearance of the Solution | 透明无色至浅黄色Transparent colorless to light yellow |
pH值 pH value | 5.6~6.1 |
比旋度 Specification Rotation | +22.4°~+24.7° |
熔点 Melting Point | 104~110℃ |
干燥失重 Loss on Drying | ≤0.3% |
灼烧残渣 Residue on Ignition | ≤0.4% |
氯化物Chloride | ≤0.05% |
硫酸盐sulfate | ≤0.03% |
铁盐 Ironic Salt | ≤30ppm |
含量 Assay(drying basis) | 98.5~101.5% |
微生物检测 Microbial Test | |
总菌数 Total Aerobic | ≤1000cfu/g |
霉菌和酵母 Yeast & Mold | ≤100cfu/g |
大肠杆菌 E.coli | Negative |
沙门氏菌 Salmonella | Negative |
Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. |