5-Bromo-4-chloro-3-indolyl ?-D-galactopyranoside is suitable as a substrate for ?-galactosidase. It has been used:in the yeast two-hybrid screen for differentiating ?-galactosidase-positive strains of yeastto determine melibiase activity in yeast and to identify Saccharomyces cerevisiae A241 × Saccharomyces uvarum C995 hybrids
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.