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

Supplier: Thermo Fisher Scientific
Warning

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

J17886-14 J17886-03 J17886-06 J17886-22
103728-136EA 2127.18 USD
103728-136 101174-462 101174-460 103728-134
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
Melting Pt: 109…115 °C
Storage Temperature: Freezer
MDL Number: MFCD00063273
CAS Number: 367-93-1
EINECS: 206-703-0

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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)

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