CCG 203769 is primarily used in research settings to study its effects on cellular signaling pathways, particularly those involving G protein-coupled receptors (GPCRs). It is often employed as a tool compound to investigate the role of specific GPCRs in physiological and pathological processes, such as inflammation, cancer, and neurological disorders. Researchers utilize this compound to better understand receptor activation, downstream signaling mechanisms, and potential therapeutic targets. Its application is crucial in the development of novel drugs targeting GPCR-related diseases, providing insights into the modulation of these receptors for therapeutic purposes.