X-Gal (5-Bromo-4-Chloro-3-Indolyl-beta-D-Galactoside) is a chromogenic substrate for β-galactosidase that yields a blue precipitate upon hydrolysis.
- A histochemical substrate for beta-galactosidase that yields a blue precipitate upon hydrolysis
- Used with IPTG (9030) in media to select recombinants using blue/white colony screening
Molecular weight: 408.6
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