Used primarily in organic synthesis as a building block for more complex molecules, particularly in the development of pharmaceuticals and bioactive compounds. It serves as a key intermediate in the creation of indole-based drugs, which are often explored for their potential therapeutic properties, including antimicrobial, anti-inflammatory, and anticancer activities. Additionally, it is utilized in research settings to study the structure-activity relationships of indole derivatives, aiding in the design of novel compounds with enhanced efficacy and specificity.