1. A chemical compound formed by the oxidation of indican or the reduction of indigo; used in the production of indigo dye and in biochemical research.
Usage: chemistry; technical

Examples

• Indoxyl is an intermediate compound in the synthesis of indigo dye.
• The enzyme laccase can oxidize indoxyl to form the blue indigo pigment.
• Indoxyl sulfate is a uremic toxin found in patients with kidney disease.
• Researchers studied indoxyl compounds to understand indigo formation in plants.
• The oxidation of indoxyl produces the characteristic blue color of indigo.