Prodipine hydrochloride is primarily used in research settings to study its effects on the central nervous system. It acts as a dopamine receptor antagonist, making it valuable for understanding dopamine-related pathways and disorders such as Parkinson's disease and schizophrenia. In pharmacological studies, it helps elucidate the role of dopamine in motor control, behavior, and cognition. Additionally, it serves as a tool compound in neurochemical experiments to explore receptor interactions and drug mechanisms. Its application is largely confined to laboratory investigations rather than clinical or industrial use.