• 胆固醇 [57-88-5]

  • 英文名:Cholesterol
  • 别名:胆甾醇,胆甾醇烷,异辛甾烯醇,胆固烯醇,胆脂醇,胆脂素,胆脂素醇
  • CAS号:57-88-5 分子式:C27H46O 分子量:386.66
P106704-500g 胆固醇 [57-88-5] 98% 500g 1083.00 促销价:682.29
P106701-100g 胆固醇 [57-88-5] 98% 100g 350.00 促销价:220.50
P106700-25g 胆固醇 [57-88-5] 98% 25g 146.00 促销价:91.98
P106709-5g 胆固醇 [57-88-5] 98% 5g 58.00 促销价:36.54
P106705-100g 胆固醇 [57-88-5] 99% 100g 400.00 促销价:300.00
P106704-25g 胆固醇 [57-88-5] 99% 25g 171.00 促销价:128.25
P106700-500g 胆固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 促销价:630.00
P106708-100g 胆固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 促销价:197.19
P106707-25g 胆固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 促销价:78.75
P106701-5g 胆固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 促销价:33.39
P106707-200mg 胆固醇 [57-88-5] 分析标准品,HPLC≥98% 200mg 300.00 促销价:225.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P106704-500g 胆固醇 [57-88-5] 98% 500g 1083.00 682.29 登录可见
P106704-500g 胆固醇 [57-88-5] 98% 500g 1083.00 促销价:682.29
P106701-100g 胆固醇 [57-88-5] 98% 100g 350.00 220.50 登录可见
P106701-100g 胆固醇 [57-88-5] 98% 100g 350.00 促销价:220.50
P106700-25g 胆固醇 [57-88-5] 98% 25g 146.00 91.98 登录可见
P106700-25g 胆固醇 [57-88-5] 98% 25g 146.00 促销价:91.98
P106709-5g 胆固醇 [57-88-5] 98% 5g 58.00 36.54 登录可见
P106709-5g 胆固醇 [57-88-5] 98% 5g 58.00 促销价:36.54
P106705-100g 胆固醇 [57-88-5] 99% 100g 400.00 300.00 登录可见
P106705-100g 胆固醇 [57-88-5] 99% 100g 400.00 促销价:300.00
P106704-25g 胆固醇 [57-88-5] 99% 25g 171.00 128.25 登录可见
P106704-25g 胆固醇 [57-88-5] 99% 25g 171.00 促销价:128.25
P106700-500g 胆固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 630.00 登录可见
P106700-500g 胆固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 促销价:630.00
P106708-100g 胆固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 197.19 登录可见
P106708-100g 胆固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 促销价:197.19
P106707-25g 胆固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 78.75 登录可见
P106707-25g 胆固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 促销价:78.75
P106701-5g 胆固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 33.39 登录可见
P106701-5g 胆固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 促销价:33.39
P106707-200mg 胆固醇 [57-88-5] 分析标准品,HPLC≥98% 200mg 300.00 225.00 登录可见
P106707-200mg 胆固醇 [57-88-5] 分析标准品,HPLC≥98% 200mg 300.00 促销价:225.00
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

不溶于水,溶解度: 1 g/2.8mL 醚, 1 g/4.5mL 氯仿, 1 g/1.5mL 吡啶, 中度溶于热醇,溶于丙酮、石油醚和庚烷。 熔点:148.5℃ 沸点:360℃ 密度:1.067 闪点:250 °C

质量标准

  

项目                                                                                              分析纯   
                                                                                                       (AR)
比旋光度Specific rotation [a]25/D                                     -29.0°~-31.0°  
干燥失重drying loss                                                            ≤0.3%  
酸度Acidity(以H+计)/(mmol/100g)                               ≤5.0  
乙醇溶解试验solubility in ethanol                                    合格  
灼烧残渣Residue on ignition                                            ≤0.05%


95%:

外观Appearance                                                                  白色结晶粉末
红外光谱鉴别Infrared spectrometry                                  和对照品匹配
纯度Purity                                                                               ≥95% (GC)  
乙醇溶解试验solubility in  CHCL3                                    合格(1 g/4.5 ml)
比旋光度Specific rotation [a]20/D                                     -45.0 ~ -33.0°(C=2, Dioxane)
稳定剂abilizer                                                                       50 ~ 350 ppm alpha-生育酚



品级Grade                                                                           细胞培养级  
                                                                                             (for cell culture, powder, ≥99%)
外观Appearance                                                                白色至类白色粉末
核磁Proton NMR spectrum                                                Conforms to Structure
纯度Purity                                                                              ≥99.0% (GC)  
熔点Melting point                                                                 147°C - 149°C
水溶解试验solubility in water                                             soluble,0.002 mg/mL
氯仿溶解试验solubility in chloroform                                soluble,100mg/mL
水分water                                                                               ≤1%(K.F)
细胞培养测试Cell culture test                                             PASS  

  

危险性质

  

用途及存储

生化研究,脑磷脂胆固醇絮状试验。胆固醇是生物膜的主要组成部分,总脑磷脂25%左右为胆固醇。

  密封干燥保存。