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 construction of complex indole-based molecules found in bioactive compounds. Commonly employed in research settings for designing novel drug candidates targeting neurological disorders, including antidepressants and antipsychotics. Also utilized in the preparation of fluorescent probes and dyes due to the inherent photophysical properties of the indole scaffold. Plays a role in agrochemical synthesis for creating plant growth regulators and pesticides with improved selectivity.