CGK733 is primarily utilized in research settings to study cellular processes, particularly those related to cell cycle regulation and senescence. It is often employed as a tool compound to investigate the mechanisms of aging and DNA damage response in various cell types. Researchers use CGK733 to explore its potential effects on inhibiting ATM/ATR kinases, which play a critical role in DNA repair and cell cycle checkpoints. This makes it valuable for understanding how cells respond to stress and damage, as well as for probing pathways that could be targeted in cancer therapy or anti-aging research. Its application is largely confined to laboratory studies, where it helps elucidate fundamental biological processes.