Isopropyl-β-D-tiogalactopyranosid ≥98%

Leverandør: VWR Chemicals

Synonymer: IPTG

437144NEA 5750 NOK
437144N 437145X 43714BD
Isopropyl-β-D-tiogalactopyranosid ≥98%
Isopropyl-β-D-tiogalactopyranosid

A chemical analogue of galactose which cannot be hydrolysed by the enzyme ß-galactosidase. IPTG is an inducer for activity of the E.Coli lac operon which acts by binding and inhibiting the lac repressor. Genes controlled by the lac promoter/operator sequence are expressed to high levels in the presence of IPTG. Essentially dioxane free.

Formel: C₉H₁₈O₅S
MW: 238,31 g/mol
Kokepunkt: 402 °C (1013 hPa)
Smeltepunkt: 109,5…110,5 °C
Lagringstemperatur: Fryseskap
MDL nummer: MFCD00063273
CAS-nummer: 367-93-1
EINECS: 206-703-0

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Spesifikasjon Testresultater

Assay Min. 98 %
Appearance White crystalline powder
IR Spectrum Passes test
Specific optical rotation (1 %; water) -33 to -31 °
Dioxane Max. 1 ppm
Water Max. 1 %

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