Isopropyl-β-D-thiogalaktopyranosid ≥98%
Dodávateľ: VWR Chemicals
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.
Vzorec:
C₉H₁₈O₅S Teplota varu: 402 °C (1013 hPa) Teplota tavenia: 109,5…110,5 °C Skladovacia teplota: Freezer |
Číslo MDL:
MFCD00063273 Číslo CAS: 367-93-1 EINECS: 206-703-0 |
Výsledky špecifikačného testu
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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