3-hydroxy donepezil (CAS No: 2097683-67-3) or 2-((1-Benzylpiperidin-4-yl)methyl)-3-hydroxy-5,6-dimethoxy-2,3-dihydroinden-1-one is an impurity of Donepezil drug which is a specific, selective and potent inhibitor of acetylcholinesterase an approved drug for the treatment of Alzheimer’s disease.
References
Kafkala, Stella, et al. “New Gradient High-Performance Liquid Chromatography Method for Determination of Donepezil Hydrochloride Assay and Impurities Content in Oral Pharmaceutical Formulation.” Journal of Chromatography A, vol. 1189, no. 1-2, May 2008, pp. 392–97, https://doi.org/10.1016/j.chroma.2007.12.015.
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