Impurity - Donepezil

3-Keto Donepezil

3-Keto Donepezil

CAS No. : 1023500-88-0

CAT No. : KMD155003

Formula : C24H27NO4 

FW : 393.5

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Dehydrodeoxy Donepezil

Dehydrodeoxy Donepezil

CAS No. : 120013-45-8

CAT No. : KMD155006

Formula : C24H29NO2

FW : 363.5

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Deoxy Donepezil

Deoxy Donepezil

CAS No. : 1034439-57-0

CAT No. : KMD155007

Formula : C24H31NO2 : HCl

FW : 365.5 : 36.5

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Donepezil

Donepezil

CAS No. : 120014-06-4

CAT No. : KMD155008

Formula : C24H29NO3

FW : 379.5

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Donepezil Aldehyde Impurity

Donepezil Aldehyde Impurity

CAS No. : 22065-85-6

CAT No. : KMD155014

Formula : C13H17NO

FW : 203.3

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Donepezil Benzyl Bromide

Donepezil Benzyl Bromide

CAS No. : 844694-85-5

CAT No. : KMD155016

Formula : C31H36NO3 : Br

FW : 470.6 : 79.9

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Donepezil Dihydro Impurity

Donepezil Dihydro Impurity

CAS No. : 120012-04-6

CAT No. : KMD155020

Formula : C24H31NO3

FW : 381.5

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Donepezil EP Impurity A (HCl)

Donepezil EP Impurity A (HCl)

CAS No. : 120013-39-0

CAT No. : KMD155022

Formula : C17H23NO3 : HCl

FW : 289.4 : 36.5

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Donepezil EP Impurity B

Donepezil EP Impurity B

CAS No. : 2107-69-9

CAT No. : KMD155023

Formula : C11H12O3

FW : 192.2

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Donepezil EP Impurity D

Donepezil EP Impurity D

CAS No. : 4803-57-0

CAT No. : KMD155025

Formula : C17H17NO3

FW : 283.3

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Donepezil EP Impurity E

Donepezil EP Impurity E

CAS No. : 231283-82-2

CAT No. : KMD155026

Formula : C24H24NO3 : Br

FW : 374.5 : 79.9

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Donepezil EP Impurity F

Donepezil EP Impurity F

CAS No. : 145546-80-1

CAT No. : KMD155027

Formula : C24H27NO3

FW : 377.5

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Donepezil EP Impurity H

Donepezil EP Impurity H

CAS No. : 608511-44-0

CAT No. : KMD155030

Formula : C24H27NO3

FW : 377.5

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Donepezil Hydrochloride

Donepezil Hydrochloride

CAS No. : 120011-70-3

CAT No. : KMD155031

Formula : C24H29NO3 : HCl

FW : 379.5 : 36.5

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Donepezil Impurity 17

Donepezil Impurity 17

CAS No. : 171723-80-1

CAT No. : KMD155038

Formula : C25H26N2O2

FW : 386.5

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Donepezil Impurity 2

Donepezil Impurity 2

CAS No. : 36517-91-6

CAT No. : KMD155041

Formula : C11H10O4 

FW : 206.2

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Donepezil N-Oxide

Donepezil N-Oxide

CAS No. : 120013-84-5

CAT No. : KMD155052

Formula : C24H29NO4

FW : 395.5

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Donepezil Open Ring Impurity (sodium salt)

Donepezil Open Ring Impurity (sodium salt)

CAS No. : NA

CAT No. : KMD155056

Formula : C24H28NO5 : Na

FW : 410.5 : 23.0

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Donepezil Pyridine Dehydro Impurity

Donepezil Pyridine Dehydro Impurity

CAS No. : 4803-74-1

CAT No. : KMD155057

Formula : C17H15NO3

FW : 281.3

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Donepezil Pyridine Dehydro N-Oxide

Donepezil Pyridine Dehydro N-Oxide

CAS No. : 896134-06-8

CAT No. : KMD155058

Formula : C17H15NO4 

FW : 297.3

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Donepezil 3-Hydroxy Impurity (Mixture of diastereomers)

Donepezil 3-Hydroxy Impurity (Mixture of diastereomers)

CAS No. : 2097683-67-3

CAT No. : KMD155010

Formula : C24H29NO4 

FW : 395.5

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Donepezil 6-O-Desmethyl Impurity

Donepezil 6-O-Desmethyl Impurity

CAS No. : 120013-56-1

CAT No. : KMD155013

Formula : C23H27NO3

FW : 365.5

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Donepezil Pyridine N-Oxide

Donepezil Pyridine N-Oxide

CAS No. : 896134-07-9

CAT No. : KMD155059

Formula : C17H17NO4 

FW : 299.3

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Hydroxy Donepezil (Mixture of diastereomers)

Hydroxy Donepezil (Mixture of diastereomers)

CAS No. : 197010-20-1

CAT No. : KMD155062

Formula : C24H29NO4

FW : 395.5

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Donepezil EP Impurity A

Donepezil EP Impurity A

CAS No. : 120014-30-4

CAT No. : KMD155021

Formula : C17H23NO3

FW : 289.4

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3-keto 2-ene Donepezil

3-keto 2-ene Donepezil

CAS No. : NA

CAT No. : KMD155002

Formula : C24H25NO4

FW : 391.5

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Donepezil O-Benzyl Enol Ether

Donepezil O-Benzyl Enol Ether

CAS No. : NA

CAT No. : KMD155055

Formula : C31H35NO3

FW : 469.6

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

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

CAS No. : 220170-73-0

CAT No. : KMD155005

Formula : C29H35NO9

FW : 541.6

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Donepezil Alkene Pyridine N-Oxide

Donepezil Alkene Pyridine N-Oxide

CAS No. : 2452407-68-8

CAT No. : KMD155015

Formula : C17H151NO4 

FW : 297.3

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Donepezil Didesmethyl Impurity

Donepezil Didesmethyl Impurity

CAS No. : 220170-71-8

CAT No. : KMD155019

Formula : C22H25NO3 

FW : 351.4

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Donepezil EP Impurity C

Donepezil EP Impurity C

CAS No. : NA

CAT No. : KMD155024

Formula : C24H29NO4

FW : 395.5

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Donepezil EP Impurity F (Z Isomer)

Donepezil EP Impurity F (Z Isomer)

CAS No. : 1563189-65-0

CAT No. : KMD155028

Formula : C24H27NO3

FW : 377.5

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Donepezil EP Impurity G

Donepezil EP Impurity G

CAS No. : 2452407-72-4

CAT No. : KMD155029

Formula : C24H27NO3

FW : 377.5

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Donepezil Hydrochloride Monohydrate

Donepezil Hydrochloride Monohydrate

CAS No. : 884740-09-4

CAT No. : KMD155032

Formula : C24H29NO3 : HCl : H2O

FW : 379.5 : 36.5 : 18.0

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Donepezil Hydroxy Acid Impurity

Donepezil Hydroxy Acid Impurity

CAS No. : NA

CAT No. : KMD155033

Formula : C24H31NO5

FW : 413.5

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Donepezil Impurity 11

Donepezil Impurity 11

CAS No. : 2230493-73-7

CAT No. : KMD155034

Formula : C24H27NO3 

FW : 377.5

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Donepezil Impurity 14

Donepezil Impurity 14

CAS No. : 329010-67-5

CAT No. : KMD155035

Formula : C24H29NO4

FW : 395.5

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Donepezil Impurity 15

Donepezil Impurity 15

CAS No. : NA

CAT No. : KMD155036

Formula : C17H23NO3

FW : 289.4

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Donepezil Impurity 16

Donepezil Impurity 16

CAS No. : 1034439-43-4

CAT No. : KMD155037

Formula : C17H25NO2 : HCl

FW : 275.4 : 36.5

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Donepezil Impurity 18

Donepezil Impurity 18

CAS No. : 110406-97-8

CAT No. : KMD155039

Formula : C11H15ClO2

FW : 214.7

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Donepezil Impurity 19

Donepezil Impurity 19

CAS No. : 50786-50-0

CAT No. : KMD155040

Formula : C11H15ClO3

FW : 230.7

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Donepezil Impurity 21

Donepezil Impurity 21

CAS No. : 4693-38-3

CAT No. : KMD155042

Formula : C11H13ClO3

FW : 228.7

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Donepezil Impurity 22

Donepezil Impurity 22

CAS No. : NA

CAT No. : KMD155043

Formula : C18H17NO3

FW : 295.3

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Donepezil Impurity 23

Donepezil Impurity 23

CAS No. : 67686-01-5

CAT No. : KMD155044

Formula : C13H19NO

FW : 205.3

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Donepezil Impurity 24

Donepezil Impurity 24

CAS No. : 2905-56-8

CAT No. : KMD155045

Formula : C12H17N

FW : 175.3

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Donepezil Impurity 25

Donepezil Impurity 25

CAS No. : 24228-40-8

CAT No. : KMD155046

Formula : C15H21NO2

FW : 247.3

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Donepezil Impurity 26

Donepezil Impurity 26

CAS No. : NA

CAT No. : KMD155047

Formula : C17H28N2

FW : 260.4

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Donepezil Impurity 27

Donepezil Impurity 27

CAS No. : 923571-15-7

CAT No. : KMD155048

Formula : C17H15NO4

FW : 297.3

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Donepezil Impurity 4

Donepezil Impurity 4

CAS No. : 2452407-69-9

CAT No. : KMD155049

Formula : C24H29NO3 

FW : 379.5

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Donepezil Impurity 8

Donepezil Impurity 8

CAS No. : 1808997-65-0

CAT No. : KMD155050

Formula : C18H23NO4 

FW : 317.4

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Donepezil Impurity 9

Donepezil Impurity 9

CAS No. : 2452407-71-3

CAT No. : KMD155051

Formula : C26H33NO4 

FW : 423.6

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Donepezil 4-Hydroxy Impurity

Donepezil 4-Hydroxy Impurity

CAS No. : 197010-22-3

CAT No. : KMD155011

Formula : C24H29NO4 

FW : 395.5

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Donepezil 5-O-Desmethyl Impurity

Donepezil 5-O-Desmethyl Impurity

CAS No. : 120013-57-2

CAT No. : KMD155012

Formula : C23H27NO3 

FW : 365.5

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(R)-Donepezil

(R)-Donepezil

CAS No. : 142698-19-9

CAT No. : KMD155001

Formula : C24H29NO3

FW : 379.5

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Donepezil D7

Donepezil D7

CAS No. : 1215071-00-3

CAT No. : KMD155018

Formula : C24H22D7NO3

FW : 386.5

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6-O-Desmethyl Donepezil D5

6-O-Desmethyl Donepezil D5

CAS No. : 1189443-74-0

CAT No. : KMD155004

Formula : C23H22D5NO3

FW : 370.5

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Donepezil D6

Donepezil D6

CAS No. : 1207959-41-8

CAT No. : KMD155017

Formula : C24H23D6NO3

FW : 385.5

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Donepezil N-Oxide D6

Donepezil N-Oxide D6

CAS No. : NA

CAT No. : KMD155053

Formula : C24H23D6NO4

FW : 401.5

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Donepezil N-Oxide D7

Donepezil N-Oxide D7

CAS No. : NA

CAT No. : KMD155054

Formula : C24H22D7NO4

FW : 402.5

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Donepezil-d4

Donepezil-d4

CAS No. : 1219908-72-1

CAT No. : KMD155060

Formula : C24H25D4NO3

FW : 383.5

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Donepezil-d5

Donepezil-d5

CAS No. : 1128086-25-8

CAT No. : KMD155061

Formula : C24H24D5NO3

FW : 384.5

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N-Nitroso Donepezil EP Impurity A

N-Nitroso Donepezil EP Impurity A

CAS No. : NA

CAT No. : KMD155063

Formula : C17H22N2O4

FW : 318.4

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Donepezil 2-Ethylbutyl Nitroso Impurity

Donepezil 2-Ethylbutyl Nitroso Impurity

CAS No. : NA

CAT No. : KMD155009

Formula : C24H30N2O4

FW : 410.5

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