ZK-90055 hydrochloride is primarily utilized in biomedical research, particularly in the study of cellular signaling pathways and protein interactions. It serves as a valuable tool compound for investigating the mechanisms of specific biological processes, often aiding in the development of potential therapeutic agents. Researchers employ it to explore its effects on molecular targets, which can provide insights into disease mechanisms and help identify novel drug candidates. Its application is crucial in advancing understanding in fields such as oncology, neurology, and immunology, where targeted modulation of cellular activity is essential.