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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Donepezil and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Donepezil impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Donepezil-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Donepezil Hydrochloride

CAT No: CL-DNP-01 CAS No: 120011-70-3 Mol Wt: 379.5 : 36.5 Mol F: C24H29NO3 : HCl Inv Status: Custom Synthesis

Chemical Name: 2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one Hydrochloride

Hydroxydonepezil

CAT No: CL-DNP-03 CAS No: 197010-20-1 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: 2-[(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxyindan-1-one ;

Donepezil Open Ring Impurity

CAT No: CL-DNP-04 CAS No: NA Mol Wt: 411.5 : 23.0 Mol F: C24H29NO5 : Na Inv Status: Custom Synthesis

Chemical Name: Sodium 2-(3-(1-benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoate

Donepezil Benzyl Bromide

CAT No: CL-DNP-05 CAS No: 844694-85-5 Mol Wt: 470.6 : 79.9 Mol F: C31H36NO3 : Br Inv Status: Custom Synthesis

Chemical Name: 1,1-Dibenzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl) methyl]piperidinium bromide ; donepezilbenzyl;

Dehydrodeoxy Donepezil

CAT No: CL-DNP-06 CAS No: 120013-45-8 Mol Wt: 363.5 Mol F: C24H29NO2 Inv Status: Custom Synthesis

Chemical Name: Donepezil Indene Impurity ; 1-Benzyl-4-[(5,6-dimethoxyinden-2-yl)methyl] piperidine ;

Deoxydonepezil

CAT No: CL-DNP-07 CAS No: 1034439-57-0 Mol Wt: 365.5 : 36.5 Mol F: C24H31NO2 : HCl Inv Status: Custom Synthesis

Chemical Name: 1-Benzyl-4-[(5,6-dimethoxyindan-2-yl)methyl] piperidine hydrochloride

Donepezil EP Impurity A

CAT No: CL-DNP-08 CAS No: 120014-30-4 Mol Wt: 289.4 Mol F: C17H23NO3 Inv Status: In Stock

Chemical Name: 5,6-Dimethoxy-2-(piperidin-4-ylmethyl) indan-1-one

Donepezil N-Oxide

CAT No: CL-DNP-09 CAS No: 120013-84-5 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: (RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone N-Oxide ;

Donepezil EP Impurity D

CAT No: CL-DNP-10 CAS No: 4803-57-0 Mol Wt: 283.3 Mol F: C17H17NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one ;

Donepezil Dihydro Impurity

CAT No: CL-DNP-13 CAS No: 120012-04-6 Mol Wt: 381.5 Mol F: C24H31NO3 Inv Status: Custom Synthesis

Chemical Name: 2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-ol ;

Donepezil 6-O-Desmethyl Impurity

CAT No: CL-DNP-14 CAS No: 120013-56-1 Mol Wt: 365.5 Mol F: C23H27NO3 Inv Status: Custom Synthesis

Chemical Name: (RS)-2-[(1-Benzyl-4-piperidyl)methyl]-6-hydroxy-5-methoxy-1-indanone ;

Donepezil Didesmethyl Impurity

CAT No: CL-DNP-15 CAS No: 220170-71-8 Mol Wt: 351.4 Mol F: C22H25NO3 Inv Status: Custom Synthesis

Chemical Name: (RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dihydroxy-1-indanone ;

Donepezil Pyridine N-Oxide

CAT No: CL-DNP-17 CAS No: 896134-07-9 Mol Wt: 297.3 Mol F: C17H17NO4 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-(1-oxido-pyridin-4-ylmethyl)indan-1-one ; 4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridine 1-oxide

Donepezil 4-Hydroxy Impurity

CAT No: CL-DNP-18 CAS No: 197010-22-3 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: 2,3-Dihydro-2-[[4-hydroxy-1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one ;

Donepezil 5-O-Desmethyl Impurity

CAT No: CL-DNP-19 CAS No: 120013-57-2 Mol Wt: 365.5 Mol F: C23H27NO3 Inv Status: Custom Synthesis

Chemical Name: (RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5-hydroxy-6-methoxy-1-indanone ;

Donepezil 3-Hydroxy Impurity

CAT No: CL-DNP-20 CAS No: 2097683-67-3 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-3-hydroxy-5,6-dimethoxy-2,3-dihydroinden-1-one ;

Donepezil EP Impurity B

CAT No: CL-DNP-21 CAS No: 2107-69-9 Mol Wt: 192.2 Mol F: C11H12O3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-1-indanone

Donepezil Pyridine Dehydro Impurity

CAT No: CL-DNP-22 CAS No: 4803-74-1 Mol Wt: 281.3 Mol F: C17H15NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-(pyridin-4-ylmethylene)indan-1-one ;

Donepezil EP Impurity F

CAT No: CL-DNP-23 CAS No: 145546-80-1 Mol Wt: 377.5 Mol F: C24H27NO3 Inv Status: In Stock

Chemical Name: (E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one ;

Donepezil Impurity 2

CAT No: CL-DNP-25 CAS No: 36517-91-6 Mol Wt: 206.2 Mol F: C11H10O4 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-1H-indene-1,3(2H)-dione

Donepezil Impurity 3

CAT No: CL-DNP-26 CAS No: 1023500-88-0 Mol Wt: 393.5 Mol F: C24H27NO4 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-1H-indene-1,3(2H)-dione

Donepezil Impurity 4

CAT No: CL-DNP-27 CAS No: 2452407-69-9 Mol Wt: 393.5 Mol F: C24H29NO3 Inv Status: Custom Synthesis

Chemical Name: 1-Benzyl-4-((5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine 1-oxide

Donepezil Impurity 9

CAT No: CL-DNP-31 CAS No: 2452407-71-3 Mol Wt: 423.6 Mol F: C26H33NO4 Inv Status: Custom Synthesis

Chemical Name: 2-(1-Benzylpiperidin-4-yl)-3-(5,6-dimethoxy-2,3-dihydro-1H-inden-2-yl)propanoic acid

Donepezil Impurity 12

CAT No: CL-DNP-33 CAS No: NA Mol Wt: 391.5 Mol F: C24H25NO4 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-1H-indene-1,3(2H)-dione;

Donepenil EP Impurity C

CAT No: CL-DNP-34 CAS No: 2452407-76-8 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: (2R)-2-[(S)-(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Impurity 13

CAT No: CL-DNP-37 CAS No: 608511-44-0 Mol Wt: 379.5 Mol F: C24H27NO3 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzyl-1,2,3,6-tetrahydropyridin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Impurity 1

CAT No: CL-DNP-38 CAS No: NA Mol Wt: 291.18 Mol F: C17H25NO3 Inv Status: In Stock

Chemical Name: 5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1-ol

Donepezil

CAT No: CL-DNP-39 CAS No: 120014-06-4 Mol Wt: 379.5 Mol F: C24H29NO3 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Aldehyde Impurity

CAT No: CL-DNP-40 CAS No: 22065-85-6 Mol Wt: 203.3 Mol F: C13H17NO Inv Status: Custom Synthesis

Chemical Name: (RS)-(1-Benzyl-piperidin-4-yl)formaldehyde

Donepezil EP Impurity E

CAT No: CL-DNP-41 CAS No: 231283-82-2 Mol Wt: 374.5 : 79.9 Mol F: C24H24NO3 : Br Inv Status: Custom Synthesis

Chemical Name: 1-Benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridin-1-ium bromide

Donepezil Impurity 17

CAT No: CL-DNP-42 CAS No: 171723-80-1 Mol Wt: 386.5 Mol F: C25H26N2O2 Inv Status: Custom Synthesis

Chemical Name: 1-Benzylpiperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate

Donepezil Impurity 28

CAT No: CL-DNP-43 CAS No: NA Mol Wt: 289.4 : 418.4 Mol F: C17H23NO3 : C20H18O10 Inv Status: Custom Synthesis

Chemical Name: (R)-5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1-one (2R,3R)-2,3-bis((4-methoxybenzoyl)oxy)succinate

Donepezil Open Ring Impurity (sodium salt) (USP)

CAT No: CL-DNP-44 CAS No: NA Mol Wt: 410.5 : 23.0 Mol F: C24H28NO5 : Na Inv Status: Custom Synthesis

Chemical Name: Sodium 2-(3-(1-benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoate

Donepezil Pyridine Dehydro N-Oxide

CAT No: CL-DNP-45 CAS No: 896134-06-8 Mol Wt: 297.3 Mol F: C17H15NO4 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-(1-oxido-pyridin-4-ylmethylene)indan-1-one ; 4-((5,6-dimethoxy-1-oxo-1,3-dihydro-2H-inden-2-ylidene)methyl)pyridine 1-oxide

3-keto 2-ene Donepezil

CAT No: CL-DNP-46 CAS No: NA Mol Wt: 391.5 Mol F: C24H25NO4 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-1H-indene-1,3(2H)-dione

Donepezil O-Benzyl Enol Ether

CAT No: CL-DNP-47 CAS No: NA Mol Wt: 469.6 Mol F: C31H35NO3 Inv Status: Custom Synthesis

Chemical Name: 1-Benzyl-4-((3-(benzyloxy)-5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine

6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers)

CAT No: CL-DNP-48 CAS No: 220170-73-0 Mol Wt: 541.6 Mol F: C29H35NO9 Inv Status: Custom Synthesis

Chemical Name: (3S,4S,5R)-6-((2-((1-benzylpiperidin-4-yl)methyl)-6-methoxy-3-oxo-2,3-dihydro-1H-inden-5-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Donepezil Alkene Pyridine N-Oxide

CAT No: CL-DNP-49 CAS No: 2452407-68-8 Mol Wt: 297.3 Mol F: C17H151NO4 Inv Status: Custom Synthesis

Chemical Name: 4-((5,6-Dimethoxy-1-oxo-1H-inden-2-yl)methyl)pyridine 1-oxide

Donepezil EP Impurity C

CAT No: CL-DNP-50 CAS No: NA Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: Mixture of (2RS)-2-[(RS)-(1-benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one and (2RS)-2-[(SR)-(1-benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil EP Impurity F (Z Isomer)

CAT No: CL-DNP-51 CAS No: 1563189-65-0 Mol Wt: 377.5 Mol F: C24H27NO3 Inv Status: Custom Synthesis

Chemical Name: (Z)-2-((1-Benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil EP Impurity G

CAT No: CL-DNP-52 CAS No: 2452407-72-4 Mol Wt: 377.5 Mol F: C24H27NO3 Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-((1-Benzyl-1,2,3,4-tetrahydropyridin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Hydrochloride Monohydrate

CAT No: CL-DNP-53 CAS No: 884740-09-4 Mol Wt: 379.5 : 36.5 : 18.0 Mol F: C24H29NO3 : HCl : H2O Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one hydrochloride monohydrate

Donepezil Impurity 11

CAT No: CL-DNP-55 CAS No: 2230493-73-7 Mol Wt: 377.5 Mol F: C24H27NO3 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-1H-inden-1-one

Donepezil Impurity 14

CAT No: CL-DNP-56 CAS No: 329010-67-5 Mol Wt: 395.5 Mol F: C24H29NO4 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-2-hydroxy-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Impurity 15

CAT No: CL-DNP-57 CAS No: NA Mol Wt: 289.4 Mol F: C17H23NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-((1,2,3,6-tetrahydropyridin-4-yl)methyl)-2,3-dihydro-1H-inden-1-ol

Donepezil Impurity 16

CAT No: CL-DNP-58 CAS No: 1034439-43-4 Mol Wt: 275.4 : 36.5 Mol F: C17H25NO2 : HCl Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane hydrochloride

Donepezil Impurity 18

CAT No: CL-DNP-59 CAS No: 110406-97-8 Mol Wt: 214.7 Mol F: C11H15ClO2 Inv Status: Custom Synthesis

Chemical Name: 4-(3-Chloropropyl)-1,2-dimethoxybenzene

Donepezil Impurity 19

CAT No: CL-DNP-60 CAS No: 50786-50-0 Mol Wt: 230.7 Mol F: C11H15ClO3 Inv Status: Custom Synthesis

Chemical Name: 3-Chloro-1-(3,4-dimethoxyphenyl)propan-1-ol

Donepezil Impurity 21

CAT No: CL-DNP-61 CAS No: 4693-38-3 Mol Wt: 228.7 Mol F: C11H13ClO3 Inv Status: Custom Synthesis

Chemical Name: 3-Chloro-1-(3,4-dimethoxyphenyl)propan-1-one

Donepezil Impurity 22

CAT No: CL-DNP-62 CAS No: NA Mol Wt: 295.3 Mol F: C18H17NO3 Inv Status: Custom Synthesis

Chemical Name: (E)-5,6-dimethoxy-2-((6-methylpyridin-2-yl)methylene)-2,3-dihydro-1H-inden-1-one

Donepezil Impurity 23

CAT No: CL-DNP-63 CAS No: 67686-01-5 Mol Wt: 205.3 Mol F: C13H19NO Inv Status: Custom Synthesis

Chemical Name: (1-Benzylpiperidin-4-yl)methanol

Donepezil Impurity 24

CAT No: CL-DNP-64 CAS No: 2905-56-8 Mol Wt: 175.3 Mol F: C12H17N Inv Status: Custom Synthesis

Chemical Name: 1-Benzylpiperidine

Donepezil Impurity 25

CAT No: CL-DNP-65 CAS No: 24228-40-8 Mol Wt: 247.3 Mol F: C15H21NO2 Inv Status: Custom Synthesis

Chemical Name: Ethyl 1-benzylpiperidine-4-carboxylate

6-O-Desmethyl Donepezil D5

CAT No: CL-DNP-66 CAS No: 1189443-74-0 Mol Wt: 370.5 Mol F: C23H22D5NO3 Inv Status: Custom Synthesis

Chemical Name: 6-Hydroxy-5-methoxy-2-((1-((phenyl-d5)methyl)piperidin-4-yl)methyl)-2,3-dihydro-1H-inden-1-one

6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers)

CAT No: CL-DNP-67 CAS No: 220170-73-0 Mol Wt: 541.6 Mol F: C29H35NO9 Inv Status: Custom Synthesis

Chemical Name: (3S,4S,5R)-6-((2-((1-benzylpiperidin-4-yl)methyl)-6-methoxy-3-oxo-2,3-dihydro-1H-inden-5-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Dehydrodeoxy Donepezil

CAT No: CL-DNP-68 CAS No: 120013-45-8 Mol Wt: 363.5 Mol F: C24H29NO2 Inv Status: Custom Synthesis

Chemical Name: Donepezil Indene Impurity ; 1-Benzyl-4-[(5,6-dimethoxyinden-2-yl)methyl] piperidine

Donepezil Aldehyde Impurity

CAT No: CL-DNP-70 CAS No: 22065-85-6 Mol Wt: 203.3 Mol F: C13H17NO Inv Status: Custom Synthesis

Chemical Name: (RS)-(1-Benzyl-piperidin-4-yl)formaldehyde

Donepezil Pyridine Dehydro N-Oxide

CAT No: CL-DNP-71 CAS No: 896134-06-8 Mol Wt: 297.3 Mol F: C17H15NO4 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-(1-oxido-pyridin-4-ylmethylene)indan-1-one ; 4-((5,6-dimethoxy-1-oxo-1,3-dihydro-2H-inden-2-ylidene)methyl)pyridine 1-oxide

Donepezil D6

CAT No: CL-DNP-73 CAS No: 1207959-41-8 Mol Wt: 385.5 Mol F: C24H23D6NO3 Inv Status: Custom Synthesis

Chemical Name: 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-bis(methoxy-d3)-2,3-dihydro-1H-inden-1-one

Donepezil D7

CAT No: CL-DNP-74 CAS No: 1215071-00-3 Mol Wt: 386.5 Mol F: C24H22D7NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-((1-((phenyl-d5)methyl-d2)piperidin-4-yl)methyl)-2,3-dihydro-1H-inden-1-one

Donepezil Didesmethyl Impurity

CAT No: CL-DNP-75 CAS No: 220170-71-8 Mol Wt: 351.4 Mol F: C22H25NO3 Inv Status: Custom Synthesis

Chemical Name: (RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dihydroxy-1-indanone

Donepezil Hydroxy Acid Impurity

CAT No: CL-DNP-82 CAS No: NA Mol Wt: 413.5 Mol F: C24H31NO5 Inv Status: Custom Synthesis

Chemical Name: Donepezil Open-Ring Hydroxy Acid

Donepezil Impurity 24

CAT No: CL-DNP-94 CAS No: 2905-56-8 Mol Wt: 175.3 Mol F: C12H17N Inv Status: Custom Synthesis

Chemical Name: 1-Benzylpiperidine

Donepezil Impurity 25

CAT No: CL-DNP-95 CAS No: 24228-40-8 Mol Wt: 247.3 Mol F: C15H21NO2 Inv Status: Custom Synthesis

Chemical Name: Ethyl 1-benzylpiperidine-4-carboxylate

Donepezil Impurity 26

CAT No: CL-DNP-96 CAS No: NA Mol Wt: 260.4 Mol F: C17H28N2 Inv Status: Custom Synthesis

Chemical Name: N-((1-Benzylpiperidin-4-yl)methyl)-N-ethylethanamine

Donepezil Impurity 27

CAT No: CL-DNP-97 CAS No: 923571-15-7 Mol Wt: 297.3 Mol F: C17H15NO4 Inv Status: Custom Synthesis

Chemical Name: 2-Isonicotinoyl-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil Impurity 8

CAT No: CL-DNP-98 CAS No: 1808997-65-0 Mol Wt: 317.4 Mol F: C18H23NO4 Inv Status: Custom Synthesis

Chemical Name: 4-((5,6-Dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidine-1-carbaldehyde

Donepezil Open Ring

CAT No: CL-DNP-100 CAS No: 197010-25-6 Mol Wt: 411.5 Mol F: C24H29NO5 Inv Status: Custom Synthesis

Chemical Name: 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid

(R)-Donepezil

CAT No: CL-DNP-101 CAS No: 142698-19-9 Mol Wt: 379.5 Mol F: C24H29NO3 Inv Status: Custom Synthesis

Chemical Name: (R)-2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

Donepezil N-Oxide D6

CAT No: CL-DNP-105 CAS No: NA Mol Wt: 401.5 Mol F: C24H23D6NO4 Inv Status: Custom Synthesis

Chemical Name: 1-Benzyl-4-((5,6-bis(methoxy-d3)-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidine 1-oxide

Donepezil N-Oxide D7

CAT No: CL-DNP-106 CAS No: NA Mol Wt: 402.5 Mol F: C24H22D7NO4 Inv Status: Custom Synthesis

Chemical Name: 4-((5,6-Dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)-1-((phenyl-d5)methyl-d2)piperidine 1-oxide

Donepezil-d4

CAT No: CL-DNP-107 CAS No: 1219908-72-1 Mol Wt: 383.5 Mol F: C24H25D4NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-((1-(phenylmethyl-d2)piperidin-4-yl)methyl-d2)-2,3-dihydro-1H-inden-1-one

Donepezil-d5

CAT No: CL-DNP-108 CAS No: 1128086-25-8 Mol Wt: 384.5 Mol F: C24H24D5NO3 Inv Status: Custom Synthesis

Chemical Name: 5,6-Dimethoxy-2-((1-((phenyl-d5)methyl)piperidin-4-yl)methyl)-2,3-dihydro-1H-inden-1-one

Type:Impurity Reference Standard

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