IPTG (isopropyl-β-D-thiogalactopyranoside) enzyme substrate dioxane-free

Supplier: Thermo Fisher Scientific

Synonyms: (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triolIPTGIsopropyl Beta-D-1-thiogalactopyranoside

R0392EA 88.9 GBP
R0392 R0393
IPTG (isopropyl-β-D-thiogalactopyranoside) enzyme substrate dioxane-free
IPTG (Isopropyl-β-D-thiogalactopyranoside)

The IPTG (isopropyl-beta-D-thiogalactopyranoside) is a highly stable synthetic analog of lactose


It inactivates the lac repressor and induces synthesis of beta-galactosidase, an enzyme that promotes lactose utilization. IPTG is used to induce expression of cloned genes under control of the lac operon It is used in conjunction with X-Gal to determine the lac phenotype in blue or white colony screening.

Formula: C₉H₁₈O₅S
MW: 238,31 g/mol
Boiling Pt: 402 °C (1013 hPa)
Melting Pt: 109,5…110.5 °C
Storage Temperature: Freezer
MDL Number: MFCD00063273
CAS Number: 367-93-1
EINECS: 206-703-0

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