MAO-B-IN-26 (Compound IC9) is a MAO-B and acetylcholinesterase inhibitor. MAO-B-IN-26 protects SH?SY5Y cells against Aβ induced cytotoxicity, morphological changes, ROS generation and membrane damage. MAO-B-IN-26 also inhibits Aβ induced autophagy and apoptosis. MAO-B-IN-26 can be used as a neuroprotective agent against Alzheimer’s disease.