6-Chloro-3-indolyl 2-acetamido-2-deoxy-b-D-galactopyranoside is a chromogenic substrate that can be used for the detection of bacterial activity. It is a ligand for beta-glucosidase, which is an enzyme found in bacteria and other organisms. It is also used as a fluorogenic substrate for the detection of oxidases, such as cytochrome P450. This product has been shown to be high purity and high quality.