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X-Gal (5-Bromo-4-Chloro-3-Indolyl-β-D-Galactopyranoside)

A Discovery Speciality Product ♥ ♥ ♥ ♥ ♥

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.

Product Details

Category Biochemicals & Diagnostics
Enzyme Substrates
Microbiology Products
Price POA
CAS Number 7240-90-6
Formula C14H15BrClNO6
Molecular Weight 408.63
Appearance White to off-white powder
Purity 98.0%
Storage Conditions -18°C

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