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Donepezil Impurity 2

Donepezil Impurity 2 Basic information
Product Name:Donepezil Impurity 2
Synonyms:Donepezil Impurity 2;5,6-Dimethoxyindane-1,3-dione;Donepezil-021;5,6-dimethoxyindene-1,3-dione;5,6-dimethoxyindane-1,3-dion;Donepezil impurity 22/5,6-Dimethoxyindane-1,3-dione;1H-Indene-1,3(2H)-dione, 5,6-dimethoxy-
CAS:36517-91-6
MF:C11H10O4
MW:206.19
EINECS:
Product Categories:
Mol File:36517-91-6.mol
Donepezil Impurity 2 Structure
Donepezil Impurity 2 Chemical Properties
Melting point 267 °C
Boiling point 391.3±42.0 °C(Predicted)
density 1.292±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility Chloroform (Slightly, Heated), Methanol (Slightly)
pka10.78±0.20(Predicted)
form Solid
color Light Yellow
Safety Information
MSDS Information
Donepezil Impurity 2 Usage And Synthesis
Uses5,6-Dimethoxyindane-1,3-dione is an intermediate in the synthesis of 3-keto Donepezil(K181665), an impurity of Donepezil (D531750), a nootropic. An inhibitor of acetylcholinesterase.
Donepezil Impurity 2 Preparation Products And Raw materials
Donepezil 5-O-Desmethyl Donepezil 3,4-Dimethoxycinnamic acid Dihydro Donepezil (Mixture of Diastereomers) Donepezil Impurity 3,5-Dichloro-4-hydroxypyridine 3,4-Dimethoxyhydrocinnamic acid Donepezil Impurity-OH Donepezil Impurity Dehydrodeoxy Donepezil (Donepezil Impurity) 6-O-DESMETHYL DONEPEZIL 5,6-Dimethoxy-1-indanone 4-((5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine 5,6-DIMETHOXY-2-PYRIDIN-4-YLMETHYL-INDAN-1-ONE 5,6-Dimethoxy-2-(piperidin-4-yl)methylene-indan-1-one 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-diMethoxybenzoic Acid (Donepezil IMpurity) 5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane (Donepezil Impurity) 2-isonicotinoyl-5,6-diMethoxy-2,3-dihydro-1H-inden-1-one
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