CGP 77675 is primarily utilized in research settings to study and understand cellular signaling pathways, particularly those involving kinase activity. It serves as a valuable tool in pharmacological studies to investigate the role of specific kinases in disease mechanisms, such as cancer or inflammatory disorders. Researchers use it to explore potential therapeutic targets by modulating kinase activity in experimental models. Additionally, it aids in the development of kinase inhibitors, contributing to advancements in drug discovery and the creation of targeted therapies for various diseases. Its application is crucial in elucidating the complex interactions within cellular pathways and identifying novel treatment strategies.