AG-13958 is primarily utilized in research settings, particularly in the study of angiogenesis and cancer biology. It functions as a selective inhibitor of vascular endothelial growth factor receptor (VEGFR) tyrosine kinases, which play a crucial role in the formation of new blood vessels. By inhibiting these receptors, AG-13958 helps researchers understand the mechanisms of tumor growth and metastasis, as tumors rely on angiogenesis for their development and spread. This compound is also used in preclinical studies to evaluate potential anti-cancer therapies, providing insights into the efficacy of targeting VEGFR pathways. Its application extends to exploring treatments for other conditions where abnormal blood vessel growth is a factor, such as certain eye diseases. Overall, AG-13958 serves as a valuable tool in advancing knowledge in molecular biology and therapeutic development.