
| 化學(xué)名稱: | N-乙酰-L-蛋氨酸 | 
| INCI名稱: | 乙酰蛋氨酸 | 
| 英文名稱: | N-ACETYL-L-METHIONINE | 
| CAS號: | 65-82-7 | 
| HS編碼 | 2930400000 | 
| 化學(xué)式: | C7H13NO3S | 
| 分子量: | 191.25 | 
| 中文別名: | 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 | 
| 英文別名: | 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 標(biāo) Specification | 標(biāo) 準(zhǔn) Standard | 
| 外觀 Appearance | 白色或類白色結(jié)晶性粉末White or almost white crystalline powder | 
| 溶液外觀 Appearance of the Solution | 透明無色至淺黃色Transparent colorless to light yellow | 
| pH值 pH value | 5.6~6.1 | 
| 比旋度 Specification Rotation | +22.4°~+24.7° | 
| 熔點 Melting Point | 104~110℃ | 
| 干燥失重 Loss on Drying | ≤0.3% | 
| 灼燒殘渣 Residue on Ignition | ≤0.4% | 
| 氯化物Chloride | ≤0.05% | 
| 硫酸鹽sulfate | ≤0.03% | 
| 鐵鹽 Ironic Salt | ≤30ppm | 
| 含量 Assay(drying basis) | 98.5~101.5% | 
| 微生物檢測 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 | 
| 沙門氏菌 Salmonella | Negative | 
| Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request. | |