WYE-687 dihydrochloride is primarily used in research settings to study its role as a potent and selective inhibitor of mTOR (mechanistic target of rapamycin). It is particularly valuable in investigating cellular signaling pathways related to growth, proliferation, and survival. Researchers utilize this compound to explore its effects on cancer cells, as mTOR inhibition can suppress tumor growth and progression. Additionally, it is employed in studies focused on understanding metabolic regulation, autophagy, and immune responses. WYE-687 dihydrochloride serves as a critical tool in preclinical studies aimed at developing targeted therapies for diseases where mTOR signaling is dysregulated, such as cancer and metabolic disorders.