Product Name: 2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one hydrochloride Synonyms:Donepezil hydrochloride CAS NO.: 120011-70-3 Molecular Formula: C24H30ClNO3 Molecular Weight: 415.95 Melting Point:220-222 °C Boiling Point:527.9 °C at 760 mmHg Flash Point:273.1 °C Purity:≥99.0% Appearance:white to off-white crystalline solid. Usage: A nootropic. An inhibitor of acetylcholinesterase.