PF4691502 is primarily utilized in the field of medical research, particularly in the study of cancer therapies. It functions as an inhibitor targeting specific pathways involved in cell growth and proliferation, making it a valuable tool for investigating potential treatments for various types of cancers. Researchers employ this compound to understand its effects on tumor cells and to explore its efficacy in combination with other therapeutic agents. Its application extends to preclinical studies where it helps in identifying mechanisms that could be exploited for developing novel anticancer drugs. Additionally, PF4691502 is used in biochemical assays to further elucidate the molecular interactions within cellular signaling pathways, contributing to the broader understanding of cancer biology and drug development.