Merck
All Photos(1)

PHG0010

SAFC

异丙基β-D-1-硫代吡喃半乳糖苷

Synonym(s):
IPTG, 异丙基β-D-硫代半乳糖苷
Empirical Formula (Hill Notation):
C9H18O5S
CAS Number:
Molecular Weight:
238.30
Beilstein:
4631
EC 号:
MDL编号:
PubChem化学物质编号:

生物来源

synthetic

质量水平

形式

powder

储存温度

2-8°C

SMILES string

CC(C)S[C@@H]1OC(CO)[C@H](O)C(O)[C@H]1O

InChI

1S/C9H18O5S/c1-4(2)15-9-8(13)7(12)6(11)5(3-10)14-9/h4-13H,3H2,1-2H3/t5-,6+,7+,8-,9+/m1/s1

InChI key

BPHPUYQFMNQIOC-NXRLNHOXSA-N

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包装

5, 25, 100, 1000 g

应用

IPTG通常用于需要诱导β-半乳糖苷酶活性的克隆程序。它与 X-Gal 或 Bluo-Gal 一起用于重组细菌菌落的蓝白斑筛选,其诱导 lac 操纵子在大肠杆菌中的表达。IPTG 通过与 lacI 阻遏物结合,并改变其构象起作用,其阻止 β-半乳糖苷酶编码基因 lacZ 的阻遏作用。

其他说明

非代谢性半乳糖类似物。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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