CC-401 hydrochloride is primarily used in research settings to study its potential as a therapeutic agent. It is known to inhibit specific kinases, such as JNK (c-Jun N-terminal kinases), which are enzymes involved in various cellular processes, including cell growth, signaling pathways, stress responses, and inflammation. This makes it a valuable tool in investigating diseases where these pathways are dysregulated, such as cancer, fibrosis, and inflammatory conditions. Researchers utilize it to explore its effects on cell proliferation, apoptosis, immune responses, and tissue remodeling, aiming to develop targeted treatments for complex diseases. Its application is largely confined to preclinical studies, where it helps in understanding molecular mechanisms and evaluating drug efficacy.