WIN 55,212-2 Mesylate is primarily used in research settings as a potent cannabinoid receptor agonist. It is widely applied in studies focusing on the endocannabinoid system, particularly to investigate the effects of cannabinoid receptor activation in the brain and peripheral tissues. This compound is instrumental in exploring potential therapeutic applications for conditions such as pain management, inflammation, neurodegenerative diseases, and mood disorders. Additionally, it helps in understanding the physiological and pharmacological roles of cannabinoid receptors in various biological processes. Its use is confined to laboratory research and is not approved for clinical or therapeutic use in humans.