Isopropyl-β-D-thiogalactopyranoside ≥98%

Leverantör: VWR Chemicals

Synonyms: IPTG

437144NEA 6525 SEK
437144N 437145X 43714BD
Isopropyl-β-D-thiogalactopyranoside ≥98%
Isopropyl-β-D-thiogalactopyranoside

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
Kokpunkt: 402 °C (1013 hPa)
Smältpunkt: 109,5…110,5 °C
Storage Temperature: Frys
MDL Number: MFCD00063273
CAS nummer: 367-93-1
EINECS: 206-703-0

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Specifikation testresultat

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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