China
We have rich and technical ability, and can assure you best quality and price. Our oveseas markets are Africa, Asia, Europe , America, etc. We keep the princeple of equality, mutual benefit and the exchange of goods so that we have won a very high reputation from our customers. Our company is one of professional chemical manufacturers in China and specializes in manufacturing, The products contain: Pigments/Dyestuff:Titanium Dioxide,Lithopone, DOP, PVC resin, SLES70%, Chrome Oxide Green, Carbon Black, Iron oxide Phosphate chemicals: Phosphoric acid, STPP, SHMP Acids chemicals: Glacial Acetic Acid, Oxalic Acid, Formic Acid, Boric acid, Stearic acid
Unknown
Number 165,ping Yang Road,xiao Dian Area
Taiyuan
030032 Shan Xi - China
China
Appearance: White to off-white solid Solubility: Soluble in Water and Methanol pH value of 5%(wt/wt) water solution: 5.00-7.00 Melting Point: 110.0℃-114.0℃ Purity: 98.00%min by HPLC Specific Optical Rotation: -34°~-29° Identification by IR: complies to standard UV Absorption: Abs. @ 300 nm, 0.13max Abs. @ 400 nm, 0.06max Application: IPTG [367-93-1] is an extremely potent inducer that is not metabolized by bacteria and is very stable, and is therefore widely used in laboratories for cloning experiments that require induction of beta-galactosidase activity. It is often used in combination with X-Gal or Bluo-Gal for blue-white screening of recombinant bacterial colonies that induce expression of the lac manipulator in E. coli. IPTG binds to the lacI blocker protein and alters its conformation to prevent inhibition of the beta-galactosidase coding gene lacZ
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