6-Chloro-3-indolyl phosphate disodium salt is a chemiluminescent substrate that can be used in diagnostics, enzyme substrate, and food testing. It is also used as a fluorogenic substrate for the detection of peroxidase activity. 6-Chloro-3-indolyl phosphate disodium salt is an analog of indole-3-acetic acid and has been shown to be an effective bioluminescent substrate for the detection of luciferase activity. This product is available in high purity and high quality. 6-Chloro-3-indolyl phosphate disodium salt is a white crystalline powder that is soluble in water or ethanol.