ZK 93426 Hydrochloride is primarily used in research settings to study the effects of GABA receptor modulation. It acts as a selective antagonist for GABA-A receptors, making it valuable for understanding the role of these receptors in the central nervous system. Researchers utilize it to explore mechanisms related to anxiety, sedation, and muscle relaxation. Its application in neuroscience helps in developing potential therapeutic agents for neurological disorders. Additionally, it aids in investigating the pharmacological properties of GABAergic systems, contributing to advancements in psychopharmacology.