• 膽固醇 [57-88-5]

  • 英文名:Cholesterol
  • 別名:膽甾醇,膽甾醇烷,異辛甾烯醇,膽固烯醇,膽脂醇,膽脂素,膽脂素醇
  • CAS號(hào):57-88-5 分子式:C27H46O 分子量:386.66
P106704-500g 膽固醇 [57-88-5] 98% 500g 1083.00 促銷(xiāo)價(jià):682.29
P106701-100g 膽固醇 [57-88-5] 98% 100g 350.00 促銷(xiāo)價(jià):220.50
P106700-25g 膽固醇 [57-88-5] 98% 25g 146.00 促銷(xiāo)價(jià):91.98
P106709-5g 膽固醇 [57-88-5] 98% 5g 58.00 促銷(xiāo)價(jià):36.54
P106705-100g 膽固醇 [57-88-5] 99% 100g 400.00 促銷(xiāo)價(jià):300.00
P106704-25g 膽固醇 [57-88-5] 99% 25g 171.00 促銷(xiāo)價(jià):128.25
P106700-500g 膽固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 促銷(xiāo)價(jià):630.00
P106708-100g 膽固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 促銷(xiāo)價(jià):197.19
P106707-25g 膽固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 促銷(xiāo)價(jià):78.75
P106701-5g 膽固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 促銷(xiāo)價(jià):33.39
P106707-200mg 膽固醇 [57-88-5] 分析標(biāo)準(zhǔn)品,HPLC≥98% 200mg 300.00 促銷(xiāo)價(jià):225.00
訂貨編號(hào) 商品名稱(chēng) 規(guī)格 包裝 單價(jià) 促銷(xiāo)價(jià) 會(huì)員價(jià) 數(shù)量
P106704-500g 膽固醇 [57-88-5] 98% 500g 1083.00 682.29 登錄可見(jiàn)
P106704-500g 膽固醇 [57-88-5] 98% 500g 1083.00 促銷(xiāo)價(jià):682.29
P106701-100g 膽固醇 [57-88-5] 98% 100g 350.00 220.50 登錄可見(jiàn)
P106701-100g 膽固醇 [57-88-5] 98% 100g 350.00 促銷(xiāo)價(jià):220.50
P106700-25g 膽固醇 [57-88-5] 98% 25g 146.00 91.98 登錄可見(jiàn)
P106700-25g 膽固醇 [57-88-5] 98% 25g 146.00 促銷(xiāo)價(jià):91.98
P106709-5g 膽固醇 [57-88-5] 98% 5g 58.00 36.54 登錄可見(jiàn)
P106709-5g 膽固醇 [57-88-5] 98% 5g 58.00 促銷(xiāo)價(jià):36.54
P106705-100g 膽固醇 [57-88-5] 99% 100g 400.00 300.00 登錄可見(jiàn)
P106705-100g 膽固醇 [57-88-5] 99% 100g 400.00 促銷(xiāo)價(jià):300.00
P106704-25g 膽固醇 [57-88-5] 99% 25g 171.00 128.25 登錄可見(jiàn)
P106704-25g 膽固醇 [57-88-5] 99% 25g 171.00 促銷(xiāo)價(jià):128.25
P106700-500g 膽固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 630.00 登錄可見(jiàn)
P106700-500g 膽固醇 [57-88-5] AR,>95.0%(GC) 500g 1000.00 促銷(xiāo)價(jià):630.00
P106708-100g 膽固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 197.19 登錄可見(jiàn)
P106708-100g 膽固醇 [57-88-5] AR,>95.0%(GC) 100g 313.00 促銷(xiāo)價(jià):197.19
P106707-25g 膽固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 78.75 登錄可見(jiàn)
P106707-25g 膽固醇 [57-88-5] AR,>95.0%(GC) 25g 125.00 促銷(xiāo)價(jià):78.75
P106701-5g 膽固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 33.39 登錄可見(jiàn)
P106701-5g 膽固醇 [57-88-5] AR,>95.0%(GC) 5g 53.00 促銷(xiāo)價(jià):33.39
P106707-200mg 膽固醇 [57-88-5] 分析標(biāo)準(zhǔn)品,HPLC≥98% 200mg 300.00 225.00 登錄可見(jiàn)
P106707-200mg 膽固醇 [57-88-5] 分析標(biāo)準(zhǔn)品,HPLC≥98% 200mg 300.00 促銷(xiāo)價(jià):225.00
  •  訂貨編號(hào)
  •  商品名稱(chēng)
  •  規(guī)格
  •  包裝
  •  單價(jià)
  •  促銷(xiāo)價(jià)
  •  會(huì)員價(jià)
  •  數(shù)量

化學(xué)性質(zhì)

不溶于水,溶解度: 1 g/2.8mL 醚, 1 g/4.5mL 氯仿, 1 g/1.5mL 吡啶, 中度溶于熱醇,溶于丙酮、石油醚和庚烷。 熔點(diǎn):148.5℃ 沸點(diǎn):360℃ 密度:1.067 閃點(diǎn):250 °C

質(zhì)量標(biāo)準(zhǔn)

  

項(xiàng)目                                                                                              分析純   
                                                                                                       (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+計(jì))/(mmol/100g)                               ≤5.0  
乙醇溶解試驗(yàn)solubility in ethanol                                    合格  
灼燒殘?jiān)黂esidue on ignition                                            ≤0.05%


95%:

外觀Appearance                                                                  白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry                                  和對(duì)照品匹配
純度Purity                                                                               ≥95% (GC)  
乙醇溶解試驗(yàn)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)
穩(wěn)定劑abilizer                                                                       50 ~ 350 ppm alpha-生育酚



品級(jí)Grade                                                                           細(xì)胞培養(yǎng)級(jí)  
                                                                                             (for cell culture, powder, ≥99%)
外觀Appearance                                                                白色至類(lèi)白色粉末
核磁Proton NMR spectrum                                                Conforms to Structure
純度Purity                                                                              ≥99.0% (GC)  
熔點(diǎn)Melting point                                                                 147°C - 149°C
水溶解試驗(yàn)solubility in water                                             soluble,0.002 mg/mL
氯仿溶解試驗(yàn)solubility in chloroform                                soluble,100mg/mL
水分water                                                                               ≤1%(K.F)
細(xì)胞培養(yǎng)測(cè)試Cell culture test                                             PASS  

  

危險(xiǎn)性質(zhì)

  

用途及存儲(chǔ)

生化研究,腦磷脂膽固醇絮狀試驗(yàn)。膽固醇是生物膜的主要組成部分,總腦磷脂25%左右為膽固醇。

  密封干燥保存。