KB SRC 4 is primarily utilized in the field of biochemistry and molecular biology as a potent inhibitor of Src kinase, an enzyme involved in various cellular signaling pathways. Its application is significant in research focused on understanding cancer cell proliferation, as Src kinase plays a crucial role in tumor growth and metastasis. Scientists use KB SRC 4 to study the mechanisms of Src-related signaling pathways and to evaluate its potential as a therapeutic target in cancer treatment. Additionally, it is employed in laboratory experiments to investigate the effects of Src kinase inhibition on cellular processes such as adhesion, migration, and survival. This compound is a valuable tool for developing new strategies to combat Src-driven cancers and other diseases linked to aberrant kinase activity.