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izopropylo-β-D-tiogalaktozyd 98

Dostawca: VWR Chemicals

Synonim: IPTG

437144NEA 4050 PLN
437144N 437145X 43714BD
izopropylo-β-D-tiogalaktozyd 98
izopropylo-β-D-tiogalaktozyd

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.

Formuła: C₉H₁₈O₅S
MW: 238.31 g/mol
Temp. Wrzenia: 402
Temp. topnienia: 109,5…110,5 °C
Temperatura przechowywania: Zamra·arka
Numer MDL: MFCD00063273
Numer CAS: 367-93-1
Numer WE (dawny EINECS): 206-703-0

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Wyniki testów specyfikacyjnych

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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