Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of serotonin receptor modulators and other neuroactive agents. The 7-bromo and 6-carbonitrile substituents on the indole core enable diverse derivatizations, supporting the construction of complex indole-based molecules with potential activity in central nervous system disorders, such as antidepressants or neurotransmitter modulators. Commonly employed in medicinal chemistry for scaffold modification and derivatization to enhance biological activity or selectivity. Also utilized in the preparation of fluorescent probes and imaging agents due to the indole core’s favorable photophysical properties.