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Donepezil Impurity 16

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Chemical Name: 5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane hydrochloride
Smile: COC1=CC2=C(C=C1OC)CC(CC3CCNCC3)C2.Cl
CAT No VS-D077041
CAS No 1034439-43-4
Mol.F. C17H25NO2 : HCl
Mol.Wt. 275.4 : 36.5
Status Custom Synthesis


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Donepezil Maleate

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Donepezil EP Impurity A

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Donepezil EP Impurity A (HCl)

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CAT No: VS-D077003
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Donepezil EP Impurity B

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Donepezil EP Impurity C

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Donepezil EP Impurity D

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CAT No: VS-D077006
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Mol.F.: C17H17NO3
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Donepezil EP Impurity E

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Mol.F.: C24H24NO3 . Br
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Donepezil EP Impurity F

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CAT No: VS-D077008
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Donepezil EP Impurity G

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CAT No: VS-D077009
CAS No: 2452407-72-4
Mol.F.: C24H27NO3
Mol.Wt.: 377.48
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Donepezil Hydroxy Acid Impurity

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CAS No: N/A
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Donepezil Benzyl Bromide

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CAT No: VS-D077011
CAS No: 844694-85-5
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Dehydrodeoxy Donepezil

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CAT No: VS-D077012
CAS No: 120013-45-8
Mol.F.: C24H29NO2
Mol.Wt.: 363.49
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Deoxydonepezil

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CAT No: VS-D077013
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Mol.F.: C24H31NO2 : HCl
Mol.Wt.: 365.5 : 36.5
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Donepezil Dihydro Impurity

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CAT No: VS-D077014
CAS No: 120012-04-6
Mol.F.: C24H31NO3
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Donepezil N-Oxide

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CAT No: VS-D077015
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Mol.F.: C24H29NO4
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Donepezil Pyridine Dehydro Impurity

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Hydroxydonepezil

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CAT No: VS-D077017
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Donepezil Hydrochloride

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CAT No: VS-D077018
CAS No: 120011-70-3
Mol.F.: C24H29NO3 : HCl
Mol.Wt.: 379.5 : 36.5
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Donepezil Aldehyde Impurity

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CAT No: VS-D077019
CAS No: 22065-85-6
Mol.F.: C13H17NO
Mol.Wt.: 203.28
Status: Custom Synthesis

Donepezil 6-O-Desmethyl Impurity

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CAT No: VS-D077020
CAS No: 120013-56-1
Mol.F.: C23H27NO3 
Mol.Wt.: 365.47 
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Donepezil Didesmethyl Impurity

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CAT No: VS-D077021
CAS No: 220170-71-8
Mol.F.: C22H25NO3 
Mol.Wt.: 351.44 
Status: Custom Synthesis

Donepezil alkene pyridine N-oxide

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CAT No: VS-D077022
CAS No: 896134-06-8
Mol.F.: C17H15NO4 
Mol.Wt.: 297.31 
Status: In Stock

Donepezil Pyridine N-Oxide

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CAT No: VS-D077023
CAS No: 896134-07-9
Mol.F.: C17H17NO4 
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Donepezil 4-Hydroxy Impurity

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CAT No: VS-D077024
CAS No: 197010-22-3
Mol.F.: C24H29NO4 
Mol.Wt.: 395.49 
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Donepezil 5-O-Desmethyl Impurity

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CAS No: 120013-57-2
Mol.F.: C23H27NO3 
Mol.Wt.: 365.47 
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Donepezil 3-Hydroxy Impurity

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CAT No: VS-D077026
CAS No: 2097683-67-3
Mol.F.: C24H29NO4 
Mol.Wt.: 395.49 
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Donepezil Alkene Pyridine N-Oxide

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CAT No: VS-D077027
CAS No: 2452407-68-8
Mol.F.: C17H151NO4 
Mol.Wt.: 297.31
Status: Custom Synthesis

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

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CAT No: VS-D077028
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Mol.F.: C29H35NO9 
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Donepezil Impurity 1

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CAT No: VS-D077029
CAS No: N/A
Mol.F.: C24H29NO5 : Na
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Donepezil Impurity 2

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CAT No: VS-D077030
CAS No: 36517-91-6
Mol.F.: C11H10O4 
Mol.Wt.: 206.2
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Donepezil Impurity 3

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CAT No: VS-D077031
CAS No: 1023500-88-0
Mol.F.: C24H27NO4 
Mol.Wt.: 393.49
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Donepezil Impurity 4

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CAT No: VS-D077032
CAS No: 2452407-69-9
Mol.F.: C24H29NO3 
Mol.Wt.: 379.5
Status: Custom Synthesis

Donepezil Impurity 6

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CAT No: VS-D077033
CAS No: N/A
Mol.F.: C31H35NO3 
Mol.Wt.: 469.63
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Donepezil Impurity 8

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CAT No: VS-D077034
CAS No: 1808997-65-0
Mol.F.: C18H23NO4 
Mol.Wt.: 317.38
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Donepezil Impurity 9

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CAT No: VS-D077035
CAS No: 2452407-71-3
Mol.F.: C26H33NO4 
Mol.Wt.: 423.56
Status: Custom Synthesis

Donepezil Impurity 11

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CAT No: VS-D077036
CAS No: 2230493-73-7
Mol.F.: C24H27NO3 
Mol.Wt.: 377.49
Status: Custom Synthesis

Donepezil Impurity 12

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CAT No: VS-D077037
CAS No: N/A
Mol.F.: C24H25NO4
Mol.Wt.: 391.46
Status: Custom Synthesis

Donepezil Impurity 13

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CAT No: VS-D077038
CAS No: 608511-44-0
Mol.F.: C24H27NO3
Mol.Wt.: 377.5
Status: Custom Synthesis

Donepezil Impurity 14

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CAT No: VS-D077039
CAS No: 329010-67-5
Mol.F.: C24H29NO4
Mol.Wt.: 395.5
Status: Custom Synthesis

Donepezil Impurity 15

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CAT No: VS-D077040
CAS No: N/A
Mol.F.: C17H23NO3
Mol.Wt.: 289.4
Status: Custom Synthesis

Donepezil Impurity 16

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CAT No: VS-D077041
CAS No: 1034439-43-4
Mol.F.: C17H25NO2 : HCl
Mol.Wt.: 275.4 : 36.5
Status: Custom Synthesis

Donepezil Impurity 17

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CAT No: VS-D077042
CAS No: N/A
Mol.F.: C25H26N2O2
Mol.Wt.: 386.5
Status: Custom Synthesis

Donepezil Impurity 18

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CAT No: VS-D077043
CAS No: 110406-97-8
Mol.F.: C11H15ClO2
Mol.Wt.: 214.7
Status: In Stock

Donepezil Impurity 19

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CAT No: VS-D077044
CAS No: 50786-50-0
Mol.F.: C11H15ClO3
Mol.Wt.: 230.7
Status: In Stock

Donepezil Impurity 20

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CAT No: VS-D077045
CAS No: 120013-56-1
Mol.F.: C23H27NO3
Mol.Wt.: 365.5
Status: In Stock

Donepezil Impurity 21

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CAT No: VS-D077046
CAS No: 4693-38-3
Mol.F.: C11H13ClO3
Mol.Wt.: 228.7
Status: In Stock

Donepezil Dehydro Impurity (E/Z mixture)

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CAT No: VS-D077047
CAS No: 120014-07-5
Mol.F.: C24H27NO3
Mol.Wt.: 377.48
Status: In Stock

Donepezil Impurity 22

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CAT No: VS-D077048
CAS No: 5888-52-8
Mol.F.: C11H16O2
Mol.Wt.: 180.24
Status: In Stock

Donepezil Impurity 23

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CAT No: VS-D077049
CAS No: 104397-78-6
Mol.F.: C11H14O4
Mol.Wt.: 210.23
Status: In Stock

Donepezil Impurity 24

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CAT No: VS-D077050
CAS No: 2069210-78-0
Mol.F.: C24H27NO3
Mol.Wt.: 377.48
Status: In Stock

Donepezil Impurity 25

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CAT No: VS-D077051
CAS No: 2069210-77-9
Mol.F.: C24H27NO3
Mol.Wt.: 377.48
Status: In Stock

Donepezil Impurity 26

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CAT No: VS-D077052
CAS No: 2069210-84-8
Mol.F.: C24H29NO3
Mol.Wt.: 379.49
Status: In Stock

Donepezil Impurity 27

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CAT No: VS-D077053
CAS No: 2069210-83-7
Mol.F.: C24H29NO3
Mol.Wt.: 379.49
Status: In Stock

N-Nitroso Donepezil EP Impurity A

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CAT No: VS-D077054
CAS No: NA
Mol.F.: C17H22N2O4
Mol.Wt.: 318.4
Status: Custom Synthesis

Donepezil Deoxy Impurity

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CAT No: VS-D077055
CAS No: 844694-84-4
Mol.F.: C24H31NO2
Mol.Wt.: 365.51
Status: Custom Synthesis

Donepezil Open-Ring Keto Acid

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CAT No: VS-D077056
CAS No: 197010-25-6
Mol.F.: C24H29NO5
Mol.Wt.: 411.49
Status: Custom Synthesis
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