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 the preparation of tryptamine analogs and as a building block in medicinal chemistry for drug discovery. Also utilized in the creation of fluorescent probes and dyes due to the indole core’s favorable optical properties.