RS 17053 hydrochloride is primarily used in research settings to study the role of alpha-1 adrenergic receptors in various physiological processes. It acts as a selective antagonist for the alpha-1A adrenergic receptor subtype, making it a valuable tool for investigating the specific functions of this receptor in the cardiovascular system, smooth muscle contraction, and neurotransmission. Researchers utilize this compound to explore its potential effects on conditions such as hypertension, benign prostatic hyperplasia, and other disorders related to alpha-1 receptor activity. Its selectivity helps in distinguishing the contributions of the alpha-1A subtype from other subtypes, aiding in the development of targeted therapies.