CU-CPT9b is primarily utilized in the field of biomedical research, particularly in the study of cancer therapeutics. It functions as a potent inhibitor targeting specific proteins involved in cancer cell proliferation and survival. Researchers employ CU-CPT9b to investigate its efficacy in disrupting signaling pathways that are critical for tumor growth, making it a valuable tool in preclinical studies for developing novel anticancer drugs. Additionally, its mechanism of action is studied to understand its potential in overcoming drug resistance in certain types of cancers. This compound is also used in cellular assays to evaluate its impact on apoptosis and cell cycle regulation, providing insights into its therapeutic potential.