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Thermo Scientific X-Gal (5-bromo-4-chloro-3-indoyl-ß-D-galactopyranoside) is a chromogenic substrate used to identify recombinant plasmids. In the presence of X-Gal and IPTG, lac+ bacterial colonies appear blue, whereas recombinant colonies appear white.

Thermo Scientific Hamilton Laboratory Casework Systems are your best resources for storage system planning. We offer a wide range of base, wall, upper and tall cases in the sizes and styles you need to complete your laboratory and storage room project.