A reversible acetylcholinesterase inhibitor, Donepezil is used for the treatment of of Alzheimer's disease. It is a medication used in palliative treatment. It works by inhibiting the hydrolysis of acetylcholine.. Reference standards of Donepezil API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Donepezil
Catalogue No.:PA 04 39000
CAS :
Molecular Formula : C24H29NO3
Molecular Weight : 379.49
Desbenzyl Donepezil Hydrochloride
Catalogue No.:PA 04 40010
Molecular Formula : C17H24ClNO3
Molecular Weight : 325.83
5,6-Dimethoxy-1-indanone
Catalogue No.:PA 04 40020
Molecular Formula : C11H12O3
Molecular Weight : 192.21
Donepezil N-Oxide
Catalogue No.:PA 04 40510
Molecular Formula : C24H29NO4
Molecular Weight : 395.49
Donepezil Alkene Pyridine N-oxide
Catalogue No.:PA 04 40520
Molecular Formula : C17H15NO4
Molecular Weight : 297.31
(2RS)-5,6-Dimethoxy-2-[(pyridin-4-yl)methyl]-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 40530
Molecular Formula : C17H17NO3
Molecular Weight : 283.32
(2E)-2-[(1-Benzylpiperidin-4-yl)methylidene]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 40540
Molecular Formula : C24H27NO3
Molecular Weight : 377.48
Dehydrodeoxy Donepezil
Catalogue No.:PA 04 40550
Molecular Formula : C24H29NO2
Molecular Weight : 363.49
Deoxy Donepezil Hydrochloride
Catalogue No.:PA 04 40560
Molecular Formula : C24H32ClNO2
Molecular Weight : 401.97
3-Hydroxy Donepezil
Catalogue No.:PA 04 40570
Hydroxy Donepezil
Catalogue No.:PA 04 40580
Donepezil Benzyl Bromide
Catalogue No.:PA 04 40590
Molecular Formula : C31H36BrNO3
Molecular Weight : 550.53
Donepezil Open-Ring Keto Acid
Catalogue No.:PA 04 40600
Molecular Formula : C24H29NO5
Molecular Weight : 411.49
Donepezil Deoxy
Catalogue No.:PA 04 40610
Molecular Formula : C24H31NO2
Molecular Weight : 365.51
Donepezil Pyridine N-Oxide
Catalogue No.:PA 04 40620
Molecular Formula : C17H17NO4
Molecular Weight : 299.32
4,5-Dimethoxy-1-indanone
Catalogue No.:PA 04 40630
4,6-Dimethoxy-2,3-dihydroinden-1-one
Catalogue No.:PA 04 40640
4,7-Dimethoxy-1-indanone
Catalogue No.:PA 04 40650
5,7-Dimethoxy-2,3-dihydroinden-1-one
Catalogue No.:PA 04 40660
6,7-Dimethoxy-2,3-dihydroinden-1-one
Catalogue No.:PA 04 40670
1-Benzyl-4-[(6,7-dimethoxy-1-oxoindan-2-yl)methyl]piperidine
Catalogue No.:PA 04 40680
Donepezil Dehydro Impurity (E/Z mixture)
Catalogue No.:PA 04 40690
(2RS)-2-[(1-benzyl-1,2,3,4-tetrahydropyridin-4-yl)methyl]-5,6-dimethoxy-2,3-dihydro-1Hinden-1-one
Catalogue No.:PA 04 40700
6-O-Desmethyl Donepezil
Catalogue No.:PA 04 40710
Molecular Formula : C23H27NO3
Molecular Weight : 365.47
5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
Catalogue No.:PA 04 40720
Molecular Formula : C17H21NO3
Molecular Weight : 287.35
5,6-Dimethoxy-2-[(4-piperidyl)methyl]indan-1-one
Catalogue No.:PA 04 40730
Molecular Formula : C17H23NO3
Molecular Weight : 289.37
1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine-13C3
Catalogue No.:PA STI 011340
Molecular Formula : C2113C3H27NO3
Molecular Weight : 380.45
5-O-Desmethyl Donepezil-d5
Catalogue No.:PA STI 028340
Molecular Formula : C23H22D5NO3
Molecular Weight : 370.50
6-O-Desmethyl Donepezil-d5
Catalogue No.:PA STI 028350
4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1,1-bis(phenylmethyl)piperidinium-d14 Bromide
Catalogue No.:PA STI 032760
Molecular Formula : C31H22D14BrNO3
Molecular Weight : 564.61
5,6-Dimethoxy-1-indanone-13C3
Catalogue No.:PA STI 033470
Molecular Formula : C813C3H12O3
Molecular Weight : 195.19
Donepezil-d7 Hydrochloride
Catalogue No.:PA STI 036190
Molecular Formula : C24H23D7ClNO3
Molecular Weight : 423.00
Donepezil-d5
Catalogue No.:PA STI 036191
Molecular Formula : C24H24D5NO3
Molecular Weight : 384.52
Donepezil-13C3 Hydrochloride
Catalogue No.:PA STI 036200
Molecular Formula : C2113C3H30ClNO3
Molecular Weight : 418.93
Desbenzyl Donepezil Hydrochloride (5,6-dimethoxy-2-(piperidin-4-ylmethyl)indan-1-one hydrochloride) (1171819)
Catalogue No.:PA USP1171819
Molecular Formula : NA
Molecular Weight : NA
Donepezil-N-Oxide (1224970)
Catalogue No.:PA USP1224970
Donepezil Related Compound A ((E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one) (1224992)
Catalogue No.:PA USP1224992
Donepezil Hydrochloride (1224981)
Catalogue No.:PA USP1224981
Donepezil Hydrochloride (JP 0062)
Catalogue No.:PA JP0062
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium Bromide
Catalogue No.:PA 04 40050
Molecular Formula : C24H24BrNO3
Molecular Weight : 454.36
5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
Catalogue No.:PA 04 40740
Molecular Formula : C17H15NO3
Molecular Weight : 281.31
2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
Catalogue No.:PA 04 40750
Catalogue No.:PA IPIPRS 71 14
Molecular Formula :
Dehydrodeoxy Donepezil Hydrochloride
Catalogue No.:PA 04 40760
Molecular Formula : C24H30ClNO2
Molecular Weight : 399.96
Donepezil Keto Acid Sodium Salt
Catalogue No.:PA 04 40770
Molecular Formula : C24H28NNaO5
Molecular Weight : 433.48
Donepezil Open-Ring Hydroxy Acid
Catalogue No.:PA 04 40780
Molecular Formula : C24H31NO5
Molecular Weight : 413.51
2-((1-Benzyl-2-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 40790
Molecular Weight : 395.5
2-((1-Benzyl-3-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 40800
(2R)-2-[(S)-(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 40030
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylene-1,2,3,4-tetrahydropyridine
Catalogue No.:PA 04 0391001
Molecular Formula : C24H25NO3
Molecular Weight : 375.47
3-Keto Donepezil
Catalogue No.:PA 04 0391002
Molecular Formula : C24H27NO4
Molecular Weight : 393.48
5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane hydrochloride
Catalogue No.:PA 04 0391003
Molecular Formula : C17H26ClNO2
Molecular Weight : 311.85
Dihydro Donepezil(Mixture of Diastereomers)
Catalogue No.:PA 04 0401000
Molecular Formula : C24H31NO3
Molecular Weight : 381.52
2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzaldehyde
Catalogue No.:PA 04 0391004
2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dihydroxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391005
Molecular Formula : C22H25NO3
Molecular Weight : 351.45
2-((1-Benzyl-4-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391006
2-((1-Benzylpiperidin-4-yl)methyl)-5-hydroxy-6-methoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391007
1-Benzyl-4-((5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine 1-oxide
Catalogue No.:PA 04 0391008
Molecular Weight : 379.5
4-((5,6-Dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidine-1-carbaldehyde
Catalogue No.:PA 04 0391009
Molecular Formula : C18H23NO4
Molecular Weight : 317.39
2-(1-Benzylpiperidin-4-yl)-3-(5,6-dimethoxy-2,3-dihydro-1H-inden-2-yl)propanoic acid
Catalogue No.:PA 04 0391010
Molecular Formula : C26H33NO4
Molecular Weight : 423.55
2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-1H-inden-1-one
Catalogue No.:PA 04 0391011
5,6-Dimethoxy-2-((1-(phenylmethyl-d2)piperidin-4-yl)methyl-d2)-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391013
Molecular Formula : C24H25D4NO3
Molecular Weight : 383.52
2-((1-Benzylpiperidin-4-yl)methyl)-5,6-bis(methoxy-d3)-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391014
Molecular Formula : C24H23D6NO3
Molecular Weight : 385.54
2-(1-Benzylpiperidine-4-carbonyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PAI 04 039001
5,6-Dimethoxy-2-((1,2,3,6-tetrahydropyridin-4-yl)methyl)-2,3-dihydro-1H-inden-1-ol
Catalogue No.:PA 04 0391015
Molecular Weight : 289.38
2-((1-Benzylpiperidin-4-yl)methyl)-2-hydroxy-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391000
Donepezil Benzyl Chloride
Catalogue No.:PA 04 0391016
Molecular Formula : C31H36ClNO3
Molecular Weight : 506.08
5,6-Dimethoxy-2-((1-nitrosopiperidin-4-yl)methyl)-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391017
Molecular Formula : C17H22N2O4
Molecular Weight : 318.37
2-Isonicotinoyl-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Catalogue No.:PA 04 0391018
(Z)-5,6-Dimethoxy-2-(pyridin-4-ylmethylene)-2,3-dihydro-1H-inden-1-one
Catalogue No.:PAI 04 039002
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