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Isopropyl β-D-1-thiogalactopyranoside_Molecular_structure_CAS_367-93-1)
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Isopropyl β-D-1-thiogalactopyranoside

Catalog No. I6758 Name Sigma Aldrich
CAS Number 367-93-1 Website http://www.sigmaaldrich.com
M. F. C9H18O5S Telephone 1-800-521-8956
M. W. 238.30122 Fax
Purity ≥99% (TLC) Email
Storage Chembase ID: 102548

SYNONYMS

Title
异丙基 β-D-1-硫代半乳糖吡喃糖苷
IUPAC name
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(propan-2-ylsulfanyl)oxane-3,4,5-triol
IUPAC Traditional name
IPTG
Synonyms
IPTG
异丙基 β-D-硫代半乳糖苷

DATABASE IDS

CAS Number 367-93-1
PubChem SID 24896093
MDL Number MFCD00063273
EC Number 206-703-0
Beilstein Number 4631

PROPERTIES

Description non-ionic
Impurities ≤0.1% Dioxane
Purity ≥99% (TLC)
Quality Level PREMIUM
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Storage Temperature 2-8°C
German water hazard class 3

DETAILS

Description (简体中文)
Application
IPTG 常用于需要诱导 β-半乳糖苷酶活性的克隆实验。它常与 X-Gal 或 Bluo-Gal 结合使用,用于重组细菌菌落的蓝白筛选,这些菌落可以诱导 lac 操纵子在大肠杆菌中的表达。IPTG 与 lacI 阻遏蛋白结合并改变其构象而发挥作用,防止 β-半乳糖苷酶编码基因 lacZ 的抑制。
Other Notes
非代谢性半乳糖类似物。
包装
1, 5, 10 g in glass bottle
Reconstitution
将 IPTG 溶于水,然后经无菌过滤,配制成储存液 (0.1M)。指示板中 IPTG 最终浓度应为 0.2mM。

REFERENCES