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Choline chloride

Cas:
67-48-1
Molecular Structure:
MDL:
--MFCD00011721
Molecular Formula:
C5H14ClNO;(CH3)3N(Cl)CH2CH2OH
Molecular Weight:
139.62
Alias:
氯化但脂,维生素B4,2-羟乙基三甲基氯化铵 (2-Hydroxyethyl)trimethylammonium chloride 2-Hydroxyethyltrimethylammonium Chloride
Product order:
Name Specifications Packing Price Delivery
Choline chloride GR,99% 500g RMB 308 现货
Choline chloride 细胞培养专用,99% 1kg RMB 1512.5 现货
Choline chloride 细胞培养专用,99% 500g RMB 869 现货
Choline chloride 细胞培养专用,99% 100g RMB 324.5 现货
Choline chloride AR,98% 500g RMB 259.6 促销
Character:
白色结晶。微有鱼腥臭,具咸苦味。易潮解。易溶于水及醇,水溶液几乎呈中性,不溶于醚、石油醚、苯及二硫化碳。在碱性中不稳定。
熔点:302-305 °C
Quality Standard:
   
   项目ltem                                   分析纯
                      (AR)
含量Assay,%                                ≥98%
含量(以氯计)Assay,%                        25.0~25.75
含量(以氮计)Assay,%                        9.80~10.10
水或乙醇中溶解试验Solubility in water
or ethanol                                   合格
灼烧残渣(以硫酸盐计)Ignition rethanol,%    ≤0.05
三甲基胺Trimethylamine                       合格
铵盐Ammonium,%                ≤0.1
重金属(以Pb计)Heavy metals,%               ≤0.002


品级Grade                               优级纯  
                                        (GR)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.0% (银量滴定)  
熔点Melting point                       302-305 °C  
水溶解试验solubility in water           合格,500 mg/ml in H2O
干燥损失Drying loss                     ≤1.0 %
重金属Heavy metals(as Pb)               ≤0.001%
铵盐Ammonium                            ≤0.01 %

品级Grade                              用于细胞培养  
                                   (suitable for cell culture,>99%()
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.0% (Argentmetric Titration)  
熔点Melting point                       302-305 °C  
水溶解试验solubility in water           合格,200MG /4ML水
水分water                                ≤0.5%(K.F)
细胞培养CELL CULTURE TEST               PASS
昆虫细胞培养INSECT CELL TEST            PASS

Storage:
密封干燥阴凉处保存。
用途  Choline acetyltransferase substrate
A source of methyl groups for methyl-transfer reactions.
Biochem/physiol Actions Acyl group acceptor 
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