5-Fluoroindole is widely used in the synthesis of various pharmaceuticals, particularly in the development of drugs targeting neurological disorders and cancer. Its structure serves as a key intermediate in creating compounds that exhibit biological activity, such as serotonin receptor modulators. Additionally, it is employed in organic chemistry research to study the effects of fluorination on indole derivatives, which can influence the potency and selectivity of therapeutic agents. Its applications also extend to agrochemicals, where it is utilized in the design of novel pesticides and herbicides.