Used in pharmaceutical research as a key intermediate in the synthesis of serotonin receptor modulators, particularly targeting 5-HT2A and 5-HT2C receptors. It plays a role in developing compounds for neurological disorders such as depression, anxiety, and schizophrenia. Its fluorinated indole structure enhances binding affinity and metabolic stability, making it valuable in optimizing drug candidates. Also explored in the development of PET imaging agents due to the presence of fluorine-18 labeling potential for brain receptor studies.