Aminohexylgeldanamycin hydrochloride is primarily utilized in biomedical research due to its role as a heat shock protein 90 (HSP90) inhibitor. It is often employed in studies focused on cancer therapy, as HSP90 plays a critical role in the stabilization and function of numerous oncogenic proteins. By inhibiting HSP90, this compound disrupts the survival and proliferation of cancer cells, making it a valuable tool for investigating potential anti-cancer treatments. Additionally, it is used in molecular biology research to study protein folding, degradation pathways, and cellular stress responses. Its ability to modulate HSP90 activity also makes it relevant in exploring treatments for neurodegenerative diseases and other conditions where protein misfolding is a contributing factor.