Donepezil > Impurities > 28

Structure Compound Pricing
2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
CS-T-90594 > Impurities

Molecular Formula : C17H15NO4   Molecular Weight: 297.31   CAS Number: 896134-06-8
Synonyms : (Z)-4-((5,6-Dimethoxy-1-oxo-1H-inden-2(3H)-ylidene)methyl)pyridine 1-oxide
Parent API : Donepezil
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2-(Piperidinylmethyl) Hydroxy Donepezil
CS-T-83929 > Impurities

Molecular Formula : C30H40N2O4   Molecular Weight: 492.65   CAS Number: 1391052-12-2
Synonyms : 2,3-Dihydro-2-[hydroxyl-1-phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-2-(piperidinylmethyl)-1H-inden-1-one;
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1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine
CS-T-05590 > Impurities

Molecular Formula : C24H27NO3   Molecular Weight: 377.48   CAS Number: 120014-07-5
Synonyms : 2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]-1H-inden-1-one, Donepezil Impurity
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5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
CS-T-19569 > Impurities

Molecular Formula : C17H21NO3   Molecular Weight: 287.35   CAS Number: 149874-91-9
Synonyms : 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethylene)-1H-inden-1-one, Donepezil Impurity
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5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
CS-T-19570 > Impurities

Molecular Formula : C17H15NO3   Molecular Weight: 281.31   CAS Number: 4803-74-1
Synonyms : 2,3-Dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-1H-inden-1-one, Donepezil Impurity
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5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane Hydrochloride
CS-T-19571 > Impurities

Molecular Formula : C17H26ClNO2   Molecular Weight: 311.85   CAS Number: 1034439-43-4
Synonyms : 4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]piperidine Hyzil Impurity
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(-)-Donepezil Hydrochloride
CS-T-21302 > Impurities

Molecular Formula : C24H30ClNO3   Molecular Weight: 415.95   CAS Number: 142057-78-1
Synonyms : (S)-2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-Inden-1-one Hydrochloride
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(+)-Donepezil Hydrochloride
CS-T-21303 > Impurities

Molecular Formula : C24H30ClNO3   Molecular Weight: 415.95   CAS Number: 142097-05-0
Synonyms : (R)-2,3-dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-Inden-1-one Hydrochloride
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Donepezil alkene pyridine N-oxide
CS-O-11337 > Impurities

Molecular Weight: 299.32   CAS Number: 896134-07-9
Synonyms : 4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridine 1-oxide.
Parent API : Donepezil
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R-(+)-Donepezil
CS-Y-00077 > Impurities

Molecular Formula : C24H29NO3   Molecular Weight: 379.49   CAS Number: 142698-19-9
Synonyms : (2R)‐2‐[(1‐benzylpiperidin‐4‐yl)methyl]‐5,6‐ dimethoxy‐2,3‐dihydro‐1H‐inden‐1‐one
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S-(-)-DONEPEZIL
CS-Y-00082 > Impurities

Molecular Formula : C24H29NO3   Molecular Weight: 379.49   CAS Number: 142057-80-5
Synonyms : (2S)‐2‐[(1‐benzylpiperidin‐4‐yl)methyl]‐5,6‐ dimethoxy‐2,3‐dihydro‐1H‐inden‐1‐one
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Hydroxy Donepezil
CS-T-27250 > Impurities

Molecular Formula : C24H29NO4   Molecular Weight: 395.49   CAS Number: 197010-20-1
Synonyms : 2,3-Dihydro-2-[hydroxy[1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one
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Donepezil open ring impurity
CS-T-06261 > Impurities

Molecular Formula : C24H29NO5   Molecular Weight: 411.49   CAS Number: 197010-25-6
Synonyms : 4,5-Dimethoxy-2-[2-oxo-3-[1-(phenylmethyl)-4-piperidinyl]propyl]benl Impurity;2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic Acid.
Parent API : Donepezil
USD 76.00 / 10mg
USD 114.00 / 25mg
Donepezil benzyl chloride
CS-O-15943 > Impurities

Molecular Formula : C31H36ClNO3   Molecular Weight: 506.07   CAS Number: 937362-16-8
Synonyms : 4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1,1-bis(phenylmethyl) Piperidinium Chloride
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Donepezil pyridine analog
CS-T-53345 > Impurities

Molecular Formula : C17H17NO3   Molecular Weight: 283.32   CAS Number: 4803-57-0
Synonyms : Donepezil pyridine analog ;5,6-Dimethoxy-2-(4-pyridylmethyl)-1-indanone;2,3-Dihydro-5,6-dimethoxy-2-(4-pyridinylmethyl)-
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Donepezil Impurity 3
CS-P-06999 > Impurities

Molecular Formula : C24H27NO4   Molecular Weight: 393.48   CAS Number: 1023500-88-0
Synonyms : 2-((1-benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-1H-indene-1,3(2H)-dione
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Donepezil Deoxy Impurity
CS-P-07636 > Impurities

Molecular Weight: 365.52   CAS Number: 844694-84-4
Synonyms : 1-benzyl-4-((5,6-dimethoxy-2,3-dihydro-1H-inden-2-yl)methyl)piperidine
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Donepezil Impurity 2
CS-P-07637 > Impurities

Molecular Formula : C11H10O4   Molecular Weight: 206.2   CAS Number: 36517-91-6
Synonyms : 5,6-dimethoxy-1H-indene-1,3(2H)-dione
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Donepezil Impurity 7 Hydrochloride
CS-P-07641 > Impurities

Molecular Formula : C24H29NO3   Molecular Weight: 379.5   CAS Number: 197010-22-3 (free base)
Synonyms : 2-((1-benzyl-4-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one hydrochloride
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Donepezil Impurity 8
CS-P-07642 > Impurities

Molecular Formula : C24H29NO3   Molecular Weight: 379.5   CAS Number: 1808997-65-0
Synonyms : 4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidine-1-carbaldehyde
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Deoxy Donepezil Hydrochloride
CS-T-15308 > Impurities

Molecular Formula : C24H32ClNO2   Molecular Weight: 401.97   CAS Number: 1034439-57-0
Synonyms : 1-Benzyl-4-[(5,6-dimethoxyindan-2-yl)methyl] piperidine hydrochlorid;4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine Hydrochloride
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Dehydrodeoxy Donepezil
CS-T-14873 > Impurities

Molecular Formula : C24H29NO2   Molecular Weight: 363.49   CAS Number: 120013-45-8
Synonyms : 4-[(5,6-Dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine, Donepezil Impurity
Parent API : Donepezil
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Donepezil Benzyl Bromide
CS-O-11128 > Impurities

Molecular Weight: 550.53   CAS Number: 844694-85-5
Synonyms : Donepezil Benzyl Chloride;Donepezil Impurity;2-[(1,1-dibenzylpiperidin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one;bromide
Parent API : Donepezil
USD 274.00 / 10mg
USD 410.00 / 25mg
USD 616.00 / 50mg
N-Desbenzyl N-tert-butyloxycarbonyl Donepezil
CS-T-15610 > Impurities

Molecular Formula : C22H31NO5   Molecular Weight: 389.49   CAS Number: 948550-60-5
Synonyms : 4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1-piperid Ester
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(2E)-Dehydrodonepezil
CS-T-14924 > Impurities

Molecular Formula : C24H27NO3   Molecular Weight: 377.48   CAS Number: 145546-80-1
Synonyms : (E)-2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]-1H-Inden-1-one
Parent API : Donepezil
USD 912.00 / 10mg
USD 1,368.00 / 25mg
USD 2,052.00 / 50mg
Desbenzyl Donepezil Hydrochloride
CS-O-01392 > Impurities

Molecular Formula : C17H24ClNO3   Molecular Weight: 325.83   CAS Number: 120013-39-0
Synonyms : 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-1H-inden-1-one Hydrochloride;
Parent API : Donepezil
USD 152.00 / 25mg
USD 399.00 / 50mg
USD 618.00 / 100mg
Donepezil O-Benzyl Enol Ether
CS-T-93325 > Impurities

Molecular Formula : C31H35NO3   Molecular Weight: 469.61   CAS Number: NA
Synonyms : 1-benzyl-4-((3-(benzyloxy)-5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine; Donepezil Impurity C
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Donepezil Impurity G
CS-O-33269 > Impurities

Molecular Formula : C24H27NO3   Molecular Weight: 377.48   CAS Number: 608511-44-0
Synonyms : 2,3-Dihydro-5,6-dimethoxy-2-[[1,2,3,6-tetrahydro-1-(phenylmethyl)-4-pyridinyl]methyl]-1H-inden-1-one; 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]-1,2,3,6-tetrahydropyridine
Parent API : Donepezil
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