Red-β-D-Gal (5-Bromo-6-chloro-3-indolyl-β-D-galactopyranoside) is a chromogenic substrate for β-galactosidase. Similar to X-gal, but generates a red or magenta (λmax ~ 565 nm) colored precipitate on enzyme hydrolysis.
- White solid soluble in DMSO
- Store at -20°C and protect from light
- MW: 408.6
1. Molecular Cloning: A Laboratory Manual, Cold Spring Harbor Laboratory, B. 14, p 186 (1989).
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