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Search Results for " Donepezil "

Picture of 3-Keto Donepezil

3-Keto Donepezil

SZ CAT No:SZ-D003029
CAS No1023500-88-0
Mol.F.C24H27NO4 
Mol.Wt.393.5
Inv. StatusIn Stock
    Product Overview Description Technical Data

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

    Shipping Temperature: Ambient

    HSN Code: 38229010

    Country of Origin: India

    Smiles: O=C1C(CC2CCN(CC3=CC=CC=C3)CC2)C(C4=CC(OC)=C(OC)C=C41)=O

    3-Keto Donepezil is chemically 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-1H-indene-1,3(2H)-dione. 3-Keto Donepezil is supplied with detailed characterization data compliant with regulatory guideline. 3-Keto Donepezil can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Donepezil.

    The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

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    Picture of Donepezil EP Impurity F
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    Donepezil EP Impurity F

    • SZ CAT No: SZ-D003002
    • CAS No: 145546-80-1
    • Mol.F.: C24H27NO3
    • Mol.Wt.: 377.5
    • Inv. Status: In Stock
    Picture of Donepezil Hydroxy Acid Impurity
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    Donepezil Hydroxy Acid Impurity

    • SZ CAT No: SZ-D003015
    • CAS No: NA
    • Mol.F.: C24H31NO5
    • Mol.Wt.: 413.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Quaternary salt (Donepezilbenzyl) (USP)
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    Donepezil Quaternary salt (Donepezilbenzyl) (USP)

    • SZ CAT No: SZ-D003006
    • CAS No: 844694-85-5
    • Mol.F.: C31H36NO3 : Br
    • Mol.Wt.: 470.6 : 79.9
    • Inv. Status: In Stock
    • Rel. CAS No: 845252-34-8 (free base)
    Picture of Donepezil Indene (Dehydrodeoxy Donepezil) (USP)
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    Donepezil Indene (Dehydrodeoxy Donepezil) (USP)

    • SZ CAT No: SZ-D003007
    • CAS No: 120013-45-8
    • Mol.F.: C24H29NO2
    • Mol.Wt.: 363.5
    • Inv. Status: In Stock
    Picture of Deoxydonepezil (USP)
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    Deoxydonepezil (USP)

    • SZ CAT No: SZ-D003008
    • CAS No: 1034439-57-0
    • Mol.F.: C24H31NO2 : HCl
    • Mol.Wt.: 365.5 : 36.5
    • Inv. Status: In Stock
    • Rel. CAS No: 844694-84-4 (free base)
    Picture of Donepezil EP Impurity A
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    Donepezil EP Impurity A

    • SZ CAT No: SZ-D003009
    • CAS No: 120014-30-4
    • Mol.F.: C17H23NO3
    • Mol.Wt.: 289.4
    • Inv. Status: In Stock
    Picture of Donepezil Dihydro Impurity
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    Donepezil Dihydro Impurity

    • SZ CAT No: SZ-D003016
    • CAS No: 120012-04-6
    • Mol.F.: C24H31NO3
    • Mol.Wt.: 381.5
    • Inv. Status: In Stock
    Picture of Donepezil N-Oxide (USP)
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    Donepezil N-Oxide (USP)

    • SZ CAT No: SZ-D003011
    • CAS No: 120013-84-5
    • Mol.F.: C24H29NO4
    • Mol.Wt.: 395.5
    • Inv. Status: In Stock
    Picture of Donepezil Pyridine Dehydro Impurity
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    Donepezil Pyridine Dehydro Impurity

    • SZ CAT No: SZ-D003025
    • CAS No: 4803-74-1
    • Mol.F.: C17H15NO3
    • Mol.Wt.: 281.3
    • Inv. Status: In Stock
    Picture of Donepezil EP Impurity C
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    Donepezil EP Impurity C

    • SZ CAT No: SZ-D003004
    • CAS No: 197010-20-1
    • Mol.F.: C24H29NO4
    • Mol.Wt.: 395.5
    • Inv. Status: In Stock
    Picture of Donepezil Hydrochloride
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    Donepezil Hydrochloride

    • SZ CAT No: SZ-D003001
    • CAS No: 120011-70-3
    • Mol.F.: C24H29NO3 : HCl
    • Mol.Wt.: 379.5 : 36.5
    • Inv. Status: In Stock
    • Rel. CAS No: 120014-06-4 (free base) ; 794512-61-1 (HBr salt)
    Picture of Donepezil EP Impurity D
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    Donepezil EP Impurity D

    • SZ CAT No: SZ-D003013
    • CAS No: 4803-57-0
    • Mol.F.: C17H17NO3
    • Mol.Wt.: 283.3
    • Inv. Status: In Stock
    Picture of Donepezil Aldehyde Impurity
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    Donepezil Aldehyde Impurity

    • SZ CAT No: SZ-D003014
    • CAS No: 22065-85-6
    • Mol.F.: C13H17NO
    • Mol.Wt.: 203.3
    • Inv. Status: In Stock
    Picture of Donepezil 6-O-Desmethyl Impurity
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    Donepezil 6-O-Desmethyl Impurity

    • SZ CAT No: SZ-D003017
    • CAS No: 120013-56-1
    • Mol.F.: C23H27NO3
    • Mol.Wt.: 365.5
    • Inv. Status: In Stock
    Picture of Donepezil Didesmethyl Impurity
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    Donepezil Didesmethyl Impurity

    • SZ CAT No: SZ-D003018
    • CAS No: 220170-71-8
    • Mol.F.: C22H25NO3 
    • Mol.Wt.: 351.4
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Alkene Pyridine N-oxide (USP)
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    Donepezil Alkene Pyridine N-oxide (USP)

    • SZ CAT No: SZ-D003019
    • CAS No: 896134-06-8
    • Mol.F.: C17H15NO4 
    • Mol.Wt.: 297.3
    • Inv. Status: In Stock
    Picture of Donepezil Pyridine N-Oxide
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    Donepezil Pyridine N-Oxide

    • SZ CAT No: SZ-D003020
    • CAS No: 896134-07-9
    • Mol.F.: C17H17NO4 
    • Mol.Wt.: 299.3
    • Inv. Status: In Stock
    Picture of Donepezil 4-Hydroxy Impurity
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    Donepezil 4-Hydroxy Impurity

    • SZ CAT No: SZ-D003021
    • CAS No: 197010-22-3
    • Mol.F.: C24H29NO4 
    • Mol.Wt.: 395.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil 5-O-Desmethyl Impurity
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    Donepezil 5-O-Desmethyl Impurity

    • SZ CAT No: SZ-D003022
    • CAS No: 120013-57-2
    • Mol.F.: C23H27NO3 
    • Mol.Wt.: 365.5
    • Inv. Status: Custom Synthesis
    Picture of 3-Hydroxy Donepezil (USP)
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    3-Hydroxy Donepezil (USP)

    • SZ CAT No: SZ-D003023
    • CAS No: 2097683-67-3
    • Mol.F.: C24H29NO4 
    • Mol.Wt.: 395.5
    • Inv. Status: In Stock
    Picture of Donepezil EP Impurity B
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    Donepezil EP Impurity B

    • SZ CAT No: SZ-D003024
    • CAS No: 2107-69-9
    • Mol.F.: C11H12O3
    • Mol.Wt.: 192.2
    • Inv. Status: In Stock
    Picture of Donepezil Alkene Pyridine N-Oxide
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    Donepezil Alkene Pyridine N-Oxide

    • SZ CAT No: SZ-D003027
    • CAS No: 2452407-68-8
    • Mol.F.: C17H151NO4 
    • Mol.Wt.: 297.3
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 2
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    Donepezil Impurity 2

    • SZ CAT No: SZ-D003028
    • CAS No: 36517-91-6
    • Mol.F.: C11H10O4 
    • Mol.Wt.: 206.2
    • Inv. Status: In Stock
    Picture of 3-Keto Donepezil
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    3-Keto Donepezil

    • SZ CAT No: SZ-D003029
    • CAS No: 1023500-88-0
    • Mol.F.: C24H27NO4 
    • Mol.Wt.: 393.5
    • Inv. Status: In Stock
    Picture of Donepezil Impurity 4
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    Donepezil Impurity 4

    • SZ CAT No: SZ-D003030
    • CAS No: 2452407-69-9
    • Mol.F.: C24H29NO3 
    • Mol.Wt.: 379.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil EP Impurity E
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    Donepezil EP Impurity E

    • SZ CAT No: SZ-D003031
    • CAS No: 231283-82-2
    • Mol.F.: C24H24NO3 : Br
    • Mol.Wt.: 374.5 : 79.9
    • Inv. Status: In Stock
    • Rel. CAS No: 757173-38-9 (free base)
    Picture of Donepezil O-Benzyl Enol Ether
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    Donepezil O-Benzyl Enol Ether

    • SZ CAT No: SZ-D003032
    • CAS No: NA
    • Mol.F.: C31H35NO3 : HBr
    • Mol.Wt.: 469.6 : 80.9
    • Inv. Status: Out of Stock
    Picture of Donepezil Impurity 8
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    Donepezil Impurity 8

    • SZ CAT No: SZ-D003033
    • CAS No: 1808997-65-0
    • Mol.F.: C18H23NO4 
    • Mol.Wt.: 317.4
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 9
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    Donepezil Impurity 9

    • SZ CAT No: SZ-D003034
    • CAS No: 2452407-71-3
    • Mol.F.: C26H33NO4 
    • Mol.Wt.: 423.6
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 11
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    Donepezil Impurity 11

    • SZ CAT No: SZ-D003036
    • CAS No: 2230493-73-7
    • Mol.F.: C24H27NO3 
    • Mol.Wt.: 377.5
    • Inv. Status: Custom Synthesis
    Picture of 6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers)
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    6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers)

    • SZ CAT No: SZ-D003054
    • CAS No: 220170-73-0
    • Mol.F.: C29H35NO9
    • Mol.Wt.: 541.6
    • Inv. Status: Custom Synthesis
    Picture of 3-keto 2-ene Donepezil
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    3-keto 2-ene Donepezil

    • SZ CAT No: SZ-D003037
    • CAS No: NA
    • Mol.F.: C24H25NO4
    • Mol.Wt.: 391.5
    • Inv. Status: Out of Stock
    Picture of Donepezil EP Impurity G
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    Donepezil EP Impurity G

    • SZ CAT No: SZ-D003039
    • CAS No: 2452407-72-4
    • Mol.F.: C24H27NO3
    • Mol.Wt.: 377.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil
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    Donepezil

    • SZ CAT No: SZ-D003040
    • CAS No: 120014-06-4
    • Mol.F.: C24H29NO3
    • Mol.Wt.: 379.5
    • Inv. Status: In Stock
    Picture of Donepezil EP Impurity H
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    Donepezil EP Impurity H

    • SZ CAT No: SZ-D003041
    • CAS No: 608511-44-0
    • Mol.F.: C24H27NO3
    • Mol.Wt.: 377.5
    • Inv. Status: In Stock
    Picture of Donepezil Impurity 14
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    Donepezil Impurity 14

    • SZ CAT No: SZ-D003042
    • CAS No: 329010-67-5
    • Mol.F.: C24H29NO4
    • Mol.Wt.: 395.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Open Ring Impurity (sodium salt) (USP)
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    Donepezil Open Ring Impurity (sodium salt) (USP)

    • SZ CAT No: SZ-D003026
    • CAS No: NA
    • Mol.F.: C24H28NO5 : Na
    • Mol.Wt.: 410.5 : 23.0
    • Inv. Status: In Stock
    • Rel. CAS No: 197010-25-6 (free base) ; 2217617-87-1 (HCl salt)
    • Rel. CAT No: SZ-D003059 ,
    Picture of Donepezil Impurity 15
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    Donepezil Impurity 15

    • SZ CAT No: SZ-D003043
    • CAS No: NA
    • Mol.F.: C17H23NO3
    • Mol.Wt.: 289.4
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 16
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    Donepezil Impurity 16

    • SZ CAT No: SZ-D003044
    • CAS No: 1034439-43-4
    • Mol.F.: C17H25NO2 : HCl
    • Mol.Wt.: 275.4 : 36.5
    • Inv. Status: Custom Synthesis
    • Rel. CAS No: 844694-83-3 (free base)
    Picture of Donepezil EP Impurity A (HCl)
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    Donepezil EP Impurity A (HCl)

    • SZ CAT No: SZ-D003045
    • CAS No: 120013-39-0
    • Mol.F.: C17H23NO3 : HCl
    • Mol.Wt.: 289.4 : 36.5
    • Inv. Status: In Stock
    • Rel. CAS No: 120014-30-4 (free base)
    Picture of Donepezil Impurity 17
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    Donepezil Impurity 17

    • SZ CAT No: SZ-D003046
    • CAS No: 171723-80-1
    • Mol.F.: C25H26N2O2
    • Mol.Wt.: 386.5
    • Inv. Status: In Stock
    • Rel. CAS No: 171722-90-0 (HCl salt)
    Picture of Donepezil Impurity 18
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    Donepezil Impurity 18

    • SZ CAT No: SZ-D003047
    • CAS No: 110406-97-8
    • Mol.F.: C11H15ClO2
    • Mol.Wt.: 214.7
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 19
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    Donepezil Impurity 19

    • SZ CAT No: SZ-D003048
    • CAS No: 50786-50-0
    • Mol.F.: C11H15ClO3
    • Mol.Wt.: 230.7
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 21
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    Donepezil Impurity 21

    • SZ CAT No: SZ-D003051
    • CAS No: 4693-38-3
    • Mol.F.: C11H13ClO3
    • Mol.Wt.: 228.7
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 22
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    Donepezil Impurity 22

    • SZ CAT No: SZ-D003053
    • CAS No: NA
    • Mol.F.: C18H17NO3
    • Mol.Wt.: 295.3
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 23
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    Donepezil Impurity 23

    • SZ CAT No: SZ-D003055
    • CAS No: 67686-01-5
    • Mol.F.: C13H19NO
    • Mol.Wt.: 205.3
    • Inv. Status: Custom Synthesis
    • Rel. CAS No: 121183-26-4 (HCl salt)
    Picture of Donepezil Impurity 24
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    Donepezil Impurity 24

    • SZ CAT No: SZ-D003056
    • CAS No: 2905-56-8
    • Mol.F.: C12H17N
    • Mol.Wt.: 175.3
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 25
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    Donepezil Impurity 25

    • SZ CAT No: SZ-D003057
    • CAS No: 24228-40-8
    • Mol.F.: C15H21NO2
    • Mol.Wt.: 247.3
    • Inv. Status: Custom Synthesis
    • Rel. CAS No: 111627-24-8 (HCl salt)
    Picture of Donepezil Impurity 26
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    Donepezil Impurity 26

    • SZ CAT No: SZ-D003058
    • CAS No: NA
    • Mol.F.: C17H28N2
    • Mol.Wt.: 260.4
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Open Ring (USP)
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    Donepezil Open Ring (USP)

    • SZ CAT No: SZ-D003059
    • CAS No: 197010-25-6
    • Mol.F.: C24H29NO5
    • Mol.Wt.: 411.5
    • Inv. Status: In Stock
    • Rel. CAS No: 2217617-87-1 (HCl salt)
    • Rel. CAT No: SZ-D003026 ,
    Picture of Donepezil Impurity 27
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    Donepezil Impurity 27

    • SZ CAT No: SZ-D003061
    • CAS No: 923571-15-7
    • Mol.F.: C17H15NO4
    • Mol.Wt.: 297.3
    • Inv. Status: Custom Synthesis
    Picture of (R)-Donepezil
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    (R)-Donepezil

    • SZ CAT No: SZ-D003062
    • CAS No: 142698-19-9
    • Mol.F.: C24H29NO3
    • Mol.Wt.: 379.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil EP Impurity F (Z Isomer)
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    Donepezil EP Impurity F (Z Isomer)

    • SZ CAT No: SZ-D003063
    • CAS No: 1563189-65-0
    • Mol.F.: C24H27NO3
    • Mol.Wt.: 377.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Impurity 28
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    Donepezil Impurity 28

    • SZ CAT No: SZ-D003064
    • CAS No: NA
    • Mol.F.: C17H23NO3 : C20H18O10
    • Mol.Wt.: 289.4 : 418.4
    • Inv. Status: In Stock
    Picture of Donepezil Impurity 29
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    Donepezil Impurity 29

    • SZ CAT No: SZ-D003066
    • CAS No: 2763182-88-1
    • Mol.F.: C31H35NO3
    • Mol.Wt.: 469.6
    • Inv. Status:
    Picture of Donepezil Impurity 30
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    Donepezil Impurity 30

    • SZ CAT No: SZ-D003067
    • CAS No: 2763182-89-2
    • Mol.F.: C31H35NO3
    • Mol.Wt.: 469.6
    • Inv. Status:
    Picture of Donepezil-d4
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    Donepezil-d4

    • SZ CAT No: SZ-D003D02
    • CAS No: 1219908-72-1
    • Mol.F.: C24H25D4NO3
    • Mol.Wt.: 383.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil-d5
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    Donepezil-d5

    • SZ CAT No: SZ-D003D03
    • CAS No: 1128086-25-8
    • Mol.F.: C24H24D5NO3
    • Mol.Wt.: 384.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil D6
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    Donepezil D6

    • SZ CAT No: SZ-D003D04
    • CAS No: 1207959-41-8
    • Mol.F.: C24H23D6NO3
    • Mol.Wt.: 385.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil D7
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    Donepezil D7

    • SZ CAT No: SZ-D003D05
    • CAS No: 1215071-00-3
    • Mol.F.: C24H22D7NO3
    • Mol.Wt.: 386.5
    • Inv. Status: In Stock
    Picture of 6-O-Desmethyl Donepezil D5
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    6-O-Desmethyl Donepezil D5

    • SZ CAT No: SZ-D003D06
    • CAS No: 1189443-74-0
    • Mol.F.: C23H22D5NO3
    • Mol.Wt.: 370.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil N-Oxide D6
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    Donepezil N-Oxide D6

    • SZ CAT No: SZ-D003D07
    • CAS No: NA
    • Mol.F.: C24H23D6NO4
    • Mol.Wt.: 401.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil N-Oxide D7
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    Donepezil N-Oxide D7

    • SZ CAT No: SZ-D003D08
    • CAS No: NA
    • Mol.F.: C24H22D7NO4
    • Mol.Wt.: 402.5
    • Inv. Status: Custom Synthesis
    Picture of N-Nitroso Donepezil EP Impurity A
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    N-Nitroso Donepezil EP Impurity A

    • SZ CAT No: SZ-D003050
    • CAS No: NA
    • Mol.F.: C17H22N2O4
    • Mol.Wt.: 318.4
    • Inv. Status: In Stock
    Picture of Donepezil 2-Ethylbutyl Nitroso Impurity
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    Donepezil 2-Ethylbutyl Nitroso Impurity

    • SZ CAT No: SZ-D003060
    • CAS No: NA
    • Mol.F.: C24H30N2O4
    • Mol.Wt.: 410.5
    • Inv. Status: Custom Synthesis
    Picture of Donepezil Nitroso Impurity 1
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    Donepezil Nitroso Impurity 1

    • SZ CAT No: SZ-D003065
    • CAS No: NA
    • Mol.F.: C17H24N2O4
    • Mol.Wt.: 320.4
    • Inv. Status: In Stock

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