Used primarily in research settings as a potent and selective antagonist for the sigma-1 receptor, this compound is valuable in neuroscience and pharmacology studies focusing on neuroprotection, pain modulation, and psychiatric disorders. It has shown potential in preclinical models for reducing neuropathic pain and mitigating the effects of drug dependence, particularly in opioid and psychostimulant addiction. Due to its high affinity for sigma-1 receptors, it serves as a tool compound for mapping receptor distribution and function in cellular and animal models. Its dihydrochloride salt form enhances solubility and stability, making it suitable for in vivo administration in experimental studies. Not approved for clinical use, it remains strictly a research chemical.