IPTG (isopropyl-β-D-thiogalactopyranoside) 99+%, powder, Ultrapure dioxane-free

Supplier: Thermo Fisher Scientific
Warning

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

J17886-03 J17886-06 J17886-14 J17886-22
101174-460EA 91.6 USD
101174-460 101174-462 103728-134 103728-136
IPTG (isopropyl-β-D-thiogalactopyranoside) 99+%, powder, Ultrapure dioxane-free
IPTG (isopropyl-β-D-thiogalactopyranoside)

IPTG is used for the selection of lac Y mutants and recombinant plasmids containing β-galactosidase fusion proteins.


  • Induces the lac operon in E. coli by binding and inactivating the lac repressor
  • Induces the cellular content of lactose permease

Formula: C₉H₁₈O₅S
MW: 238.31 g/mol
Boiling Pt: 402 °C (1013 hPa)
Melting Pt: 109…115 °C
Storage Temperature: Freezer
MDL Number: MFCD00063273
CAS Number: 367-93-1
EINECS: 206-703-0

Order Now

Specification Test Results

Form White powder or crystals
Assay (unspecified): Dioxane (GC) ≤ 0.02%
Assay (unspecified) ≥99%
Identification (FTIR) Conforms
Water Content (Karl Fischer Titration) ≤ 2.0%
Melting Point 110° - 115°C
Optical Rotation -28.5°C ± 3.0° (c=1 in H2O)

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR