Purple-Beta;-D-Gal (5-Iodo-3-indolyl-beta-D-galactopyranoside) is a chromogenic substrate for β-galactosidase. Similar to X-gal, but generates a purple (λmax ~575 nm) colored precipitate on enzyme hydrolysis.
- Off-white solid soluble in water and DMSO.
- Store at 4°C and protect from light
- C14H16INO6