Rauwolscine hydrochloride is primarily used in research settings to study its effects on adrenergic receptors, particularly the alpha-2 subtype. It acts as an antagonist, making it valuable for exploring the role of these receptors in physiological processes such as neurotransmitter regulation, cardiovascular function, and behavioral responses. In neuroscience, it is employed to investigate its influence on anxiety, stress, and cognitive functions. Additionally, it has been studied for its potential role in weight management and metabolic regulation due to its impact on adrenergic signaling pathways. Its applications remain largely experimental, with ongoing research to uncover its therapeutic potential.