Thermo Fisher, R0402, X-Gal, 2 x 1 g
Quantity: 2 x 1 g, Unit Size: Each, X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galacto-pyranoside) is an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal into colorless galactose and 4-chloro-3-brom-indigo, forming an intense blue precipitate. Induction of the lacZ gene with IPTG leads to the hydrolysis of X-Gal and to the development of blue colonies.
Catalog Number: R0402
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Pack Size2 x 1 g

