Not available outside of the UK & Ireland.
Application
X-Gal is a chromogenic substrate for β-galactosidase that produces a rich blue color that can easily be detected visually over background. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.
Packaging
50, 100, 250, 500 mg in poly bottle
1, 2, 5 g in poly bottle
This product has met the following criteria: