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IPTG (Isopropil-β-D-tiogalattopiranoside) ≥99%, white powder

Fornitore: MP Biomedicals
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Synonyms: IPTG

02102101.2 0210210101 0210210105
ICNA02102101.2EA 34.5 EUR
ICNA02102101.2 ICNA0210210101 ICNA0210210105
IPTG (Isopropil-β-D-tiogalattopiranoside) ≥99%, white powder
IPTG (Isopropil-β-D-tiogalactopiranoside)

IPTG (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli.
IPTG is a commonly used reagent in cloning procedures that require induction of b-galactosidase activity and is used in conjunction with X-Gal in blue-white color selection of recombinant bacterial colonies.
The final concentration typically used in indicator plates is 0.2 mM.


  • Presentation: Crystalline, Dioxane-free,β-Galactosidase inducer
  • Soluble in methanol and water (50 mg/mL - clear, colorless solution)
  • Storage temperature: -20°C, desiccate


IPTG (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli. The compound is widely used with X-Gal (5-Bromo-4- chloro-3-indolyl- beta-D-galactopyranoside, MP catalog number 150001) plates to screen for blue and white colonies. The lac operon system and IPTG have been used in multiple cloning experiments and cellular systems to study gene activity. The final concentration typically used in indicator plates is 0,2 mM.


IPTG is a commonly used reagent in cloning procedures that require induction of b-galactosidase activity and is used in conjunction with X-Gal in blue-white color selection of recombinant bacterial colonies. (Rafal Zielinski,2012), Affibody-dylight conjugates for invivo assessment of HER2 expression by near-infrared optical imaging, Public library of science one, 7(7), 2012).

Formula: C₉H₁₈O₅S
Peso molecolare: 238,31 g/mol
Punto di fusione: 105…115 °C
Temperatura di stoccaggio: Congelamento
MDL Number: MFCD00063273
CAS Number: 367-93-1

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Risultati del test di specificazione

Identity Test Passes
Purity ≥99%
FTIR Conforms to Standard
pH (5% aq) 5.0-7.0
Optical Rotation (c=1, water) -26° to -33°

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