Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of serotonin receptor modulators and other central nervous system agents. Its structure supports the creation of bioactive molecules with potential applications in treating neurological disorders such as depression, anxiety, and migraine. Also employed in the preparation of fluorescent probes and labeled compounds for biochemical research due to the indole core’s favorable photophysical properties. Commonly utilized in medicinal chemistry for structure-activity relationship (SAR) studies involving indole-based drug candidates.