β-Secretase Inhibitor IV is primarily used in research focused on understanding Alzheimer's disease and related neurodegenerative conditions. It works by inhibiting the activity of β-secretase, an enzyme crucial in the production of amyloid-beta peptides, which are implicated in the formation of amyloid plaques in the brain. By blocking this enzyme, the compound helps researchers study the mechanisms of amyloid plaque formation and its role in the progression of Alzheimer's. This makes it a valuable tool in the development of potential therapeutic strategies aimed at reducing amyloid-beta production and slowing disease progression. Additionally, it is utilized in pharmacological studies to evaluate the efficacy and safety of β-secretase inhibitors as potential drug candidates for treating Alzheimer's disease.