Carmoxirole hydrochloride is primarily used in research settings to study its pharmacological properties, particularly its effects on dopamine receptors. It acts as a dopamine D2 receptor agonist, making it valuable for exploring the role of dopamine in neurological and psychiatric disorders. Researchers utilize it to investigate potential treatments for conditions like Parkinson's disease, schizophrenia, and other dopamine-related dysfunctions. Its application in preclinical studies helps in understanding receptor mechanisms and developing targeted therapies for neurological conditions.