WAY-299905 is primarily used in scientific research to study the endocannabinoid system, particularly as a potent and selective agonist for the CB2 receptor. Its application lies in investigating immune modulation, inflammation, and pain pathways, as CB2 receptors are mainly expressed in peripheral tissues and immune cells. Researchers utilize WAY-299905 to explore potential therapeutic strategies for inflammatory diseases, neuropathic pain, and autoimmune disorders without triggering the psychoactive effects associated with CB1 receptor activation. It serves as a valuable tool compound in preclinical studies aiming to dissect CB2 receptor function and evaluate target engagement in drug development.