Citiolone (CAS No 1195-16-0) is a chemical compound used in biomedical research primarily within the category of neuroprotective agents Originating from studies on sulfhydryl donors it plays a role in redox regulation by modulating oxidative stress pathways Its mechanism of action involves enhancing the activity of antioxidant systems thus protecting neuronal cells from damage In vitro its activity is commonly observed in the nanomolar to low micromolar range illustrating its potency Citiolone is frequently applied in various cell models focused on neural tissues and is also used in animal studies to investigate potential therapeutic effects in neurodegenerative diseases Its role in drug screening explores the development of treatments for conditions such as Alzheimer s and Parkinson s diseases Experimental concentrations typically depend on the specific research design employed to ensure optimal outcomes