IPTG (dioxane free) (Isopropyl-beta-D-thiogalactopyranoside)

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Cat. # Product Size Price License Quantity Details
9031 X-Gal (5-Bromo-4-Chloro-3-Indolyl-beta-D-Galactoside) 1 g USD $168.00

A histochemical substrate for β-Galactosidase and that yields a blue precipitate upon hydrolysis. Used with X-Gal (Cat.# 9031) for blue/white colony screening to distinguish non-recombinant and recombinant colonies.