IPTG;异丙基-β-D-硫代半乳糖苷

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上海伟进生物科技有限公司
18930085161 021-54960076
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  • Brand  merck millipore
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Last Updated 2025-08-12 20:02

IPTG;异丙基-β-D-硫代半乳糖苷

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产品描述

异丙基-β-D-硫代半乳糖苷(IPTG)是β–半乳糖苷酶的活性诱导物质,常用于蓝白斑筛选及IPTG诱导的细菌内的蛋白表达等。当pUC系列的载体DNA(或其他带有lacZ 基因载体DNA)以lacZ 缺失细胞为宿主进行转化时、或用M13噬菌体的载体DNA进行转染时,如果在平板培养基中加入X–Gal和IPTG,由于β–半乳糖苷酶的α–互补性,可以根据是否呈现白色菌落(或噬菌斑)而方便地挑选出基因重组体。此外,它还可以作为具有lac或tac等启动子的表达载体的表达诱导物使用。

产品性质

中文名称(Chinese Synonym)

异丙基-β-D-硫代半乳糖苷

英文名称(English Synonym)

Isopropyl β-D-1-thiogalactopyranoside; Isopropyl β-D-thiogalactoside;

CAS号(CAS NO.)

367-93-1

分子式(Molecular Formula)

C9H18O5S

纯度(Purity, HPLC)

≥98%

级别(Grade)

Ultra Pure

杂质(Impurities)

≤0.1% Dioxane

外观(Appearance)

白色粉末

分子量(Molecular Weight)

238.30

结构式(Structure)

运输与保存方法

冰袋(wet ice)运输。粉末-20 ºC避光保存。

产品使用

用去离子水充分溶解IPTG粉末,配制100 mM的储存液,0.22 μm过滤除菌。分装成1ml小份,-20℃冻存。

对于蓝白斑筛选,常用工作浓度是0.1-0.5 mM(LB培养基)。

注意事项

1)含有IPTG的培养基4℃避光保存,须在1周内使用。

2)为了您的安全和健康,请穿实验服并戴一次性手套操作。

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nclick=""> 关闭

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测试效果

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Company Name 上海伟进生物科技有限公司
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Business Scope Omega试剂盒,Sigma,Invitrogen(Gibco) 胎牛血清,Amresco试剂,SantaCruz抗体,MBI(FermentaS),R&D细胞因子及检测试剂盒,
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