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中文名(CN) 英文名(EN) CAS No. 规格(SP) 报价(CNY) 产地(From) 类别(Key)
N-乙酰-L-半胱氨酸 N-Acetyl-L-cysteine (cell culture tested,≥99%) 616-91-1 5G 282.00 Sigma-A9165 氨基酸
N-乙酰-L-半胱氨酸 N-Acetyl-L-cysteine (cell culture tested,≥99%) 616-91-1 25G 667.00 Sigma-A9165 氨基酸

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数据参数(Specifications)

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中文名称 N-乙酰-L-beta-巯基丙氨酸;N-乙酰-L-半胱氨酸;N-乙酰半胱氨酸;N-乙酰基-L-半胱氨酸;N-乙酰基-L-半胱氨酸辣;乙酰半胱氨酸
英文名称 (S)-ALPHA-AMINO-2-NAPHTHALENEPROPIONIC ACID;RARECHEM BK PT 0097;N-ACETYL CYSTEINE
CAS识别号 616-91-1
MDL识别号 MFCD00004880
EC识别号 210-498-3
Beilstein 1724426
分子式 HSCH2CH(NHCOCH3)CO2H
分子量 163.19
分子结构图 分子图
产品性状 白色结晶性粉末,有类似蒜的气味,味酸。有吸湿性,易溶于水或乙醇,不溶于乙醚、氯仿。在水溶液中呈酸性 (10g/L H2O中pH2-2.75),mp101-107℃。
质量标准 99%:
外观Appearance                                        白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry          和对照品匹配
纯度Purity                                                  ≥99.0% (HPLC)
熔点Melting point                                      108°C - 113°C
比旋光度Specific rotation [a]20/D             +4.5° ~ +6.5°(c=2, H2O)
水溶解试验Solubility in Water                   溶液透明
灰分Ash                                                      <0.5 %

品级Grade                                                  细胞培养级  
                                                                  (for cell culture tested, ≥99.0% (HPLC))
外观Appearance                                       白色至类白色粉末
红外光谱鉴别Infrared spectrometry         Conforms to standard
纯度Purity                                                 ≥99.0% (HPLC)
水溶解试验solubility in water                    clear,colorless,100 mg plus 1 ml of water
水分water                                                  ≤3%(K.F)
细胞培养测试Cell culture test                   pass



品级Grade                                                药用级  
                                                                  (USP, EP, ≥98.5%)
appearance                                                white crystalline powder
ir spectrum                                                 consistent with structure
Infrared spectrometry                                 Conforms to standard
assay (dry basis) 98.5 to 101.0%
solubility in water                                        0.5 G /10 ML in water, clear, colorless
Specific rotation [a]20/D                         +21.3°~ +27.0°(C=5, Phosphate buffered saline)
zinc content                                                 ≤10 ppm
heavy metals                                               ≤10 ppm
loss on drying                                              ≤1.00%
residue on ignition                                        ≤0.20%
l-cystine                                                       ≤0.5%
l-cysteine                                                     ≤0.5%
n,n'diacetyl-l-cystine                                     ≤0.5%
n,s-diacetyl-l- cysteine                                  ≤0.5%
other impurities                                             ≤0.5% (each)
total impurities                                              ≤0.5%
organic volatiles impurities                            conforms by certification
ph test                                                         2.0 to 2.8 (1g in 100ml water)
endotoxin assay                                            ≤1 eu/mg
biochemical toxicity                                       passes
note meets usp, ep requirements
储存条件 常温密封避光保存,Stored in cool, dry and airproof.
包装说明 Bellancom原装进口,正品保证,Bellancom Chemistry The original.
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