X-gal, Galactopyranoside
Agilent TechnologiesAgilent X-gal (5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, BCIG) is a premium quality chromogenic substrate of β-Galactosidase. It is used with cloning systems that utilize β-galactosidase activity as an indicator of successful cloning.