AG-L-59687 is primarily utilized in research and development within the pharmaceutical and biochemical fields. It is often employed as a selective antagonist for specific receptors, aiding in the study of receptor functions and signaling pathways. This compound is particularly valuable in neuroscience research, where it helps investigate the role of certain receptors in neurological disorders and brain function. Additionally, AG-L-59687 is used in preclinical studies to evaluate potential therapeutic effects and to develop targeted treatments for conditions such as anxiety, depression, and other central nervous system-related diseases. Its application extends to drug discovery processes, where it serves as a tool compound for screening and validating new drug candidates.