Raclopride is primarily used in scientific research to study the dopamine system in the brain. It acts as a selective antagonist for dopamine D2 and D3 receptors, making it a valuable tool in understanding dopamine-related behaviors and disorders. Researchers use it to investigate conditions such as schizophrenia, Parkinson's disease, and addiction, as it helps to block dopamine receptors and observe the resulting effects. Additionally, Raclopride is often employed in positron emission tomography (PET) imaging to visualize and measure dopamine receptor activity in the brain, aiding in the diagnosis and study of neurological and psychiatric conditions. Its application in preclinical studies also contributes to the development of new therapeutic drugs targeting dopamine pathways.