STK33-IN-1 is primarily used in research settings to study its potential as an inhibitor of the STK33 kinase, which is implicated in various cellular processes. Its application is significant in cancer research, where it helps in understanding the role of STK33 in tumor growth and survival. By inhibiting this kinase, researchers can explore its effects on cancer cell proliferation and apoptosis, providing insights into potential therapeutic strategies. Additionally, STK33-IN-1 is utilized in biochemical assays to investigate kinase signaling pathways, aiding in the development of targeted cancer therapies. Its use is crucial for advancing knowledge in molecular biology and oncology, particularly in identifying new drug targets.