Bay 65-1942 hydrochloride is primarily used in research settings to study its effects on cellular pathways, particularly those involving inflammation and cancer. It acts as an inhibitor of specific enzymes or proteins, making it valuable for understanding disease mechanisms and developing potential therapeutic strategies. Researchers often utilize it to investigate its impact on cell proliferation, apoptosis, and signaling pathways, providing insights into targeted treatments for various conditions. Its application is largely confined to preclinical studies, where it helps in identifying new drug candidates and exploring their efficacy in disease models.