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Isopropyl β-D-1-Thiogalactopyranoside, abbreviated as "IPTG" in English, is a kind of chemical substance, white crystalline powder; soluble in water, methanol, ethanol, acetone, chloroform and ether. Here is the company's product information:

Product ID :TQDR019

Product Name: Isopropyl β - d-1-thiogalactopyranoside; IPTG

CAS NO：367-93-1

Molecular Formula：C9H18O5S

Molecular Weight：238.30
       Purity：≥99％
       Grade：Ultra Pure Grade
       Appearance：White Crystalline powder
       Application：IPTG is used in cloning experiments that require the induction of beta-galactosidase activity. It is often used in conjunction with the x-gal or bluo-gal to reorganize the blue-white screening of bacterial colonies that can induce the expression of lac manipulators in e. coli. IPTG plays a role in binding and altering the conformation of lacI repressors to prevent the inhibition of the beta-galactosidase encoding gene lacZ.