X-GAL

X-gal (5-Bromo-4-chloro-3-indolyl- beta-galactopyranoside) is the most widely used chromogenic substrate for beta-galactosidase. Enzyme hydrolysis of the substrate yields a dark blue colored precipitate (maximum absorbance 615 nm).<ul><li>White solid soluble in DMSO</li><li>Store desiccated at -20 deg;C and protect from light</li><li>C₁₄H₁₅BrClNO₆</li><li>MW: 408.6</li><li>[7240-90-6]</li></ul>