OU749 is primarily utilized in research settings, particularly in the study of cell signaling pathways and cancer biology. It functions as an inhibitor of specific kinases, making it a valuable tool for understanding the mechanisms of kinase activity in cellular processes. Researchers employ OU749 to investigate its effects on cell proliferation, apoptosis, and migration, which are critical in cancer development and progression. Its application extends to preclinical studies, where it is tested for potential therapeutic effects in targeting kinase-driven diseases. Additionally, OU749 is used in biochemical assays to explore its selectivity and efficacy against various kinase targets, contributing to the development of more targeted and effective kinase inhibitors.