Donepezil

Buy high quality Donepezil Impurities from Chemicea Pharma. Chemicea Pharma is one of the leading manufacturer and exporter of Donepezil impurities. We synthesize Donepezil Degradation Impurities, Donepezil Process Impurities, Donepezil Potential Impurities, Donepezil USP Related Compound, Donepezil N-Nitroso impurities, Donepezil nitrosamine impurities etc.

Pharmaceutical Reference Standards

Donepezil

CAT. No.	CP-D2000
CAS. No.	120014-06-4
Mol. F.	C24H29NO3
Mol. Wt.	379.5
Stock Status:	Custom Synthesis

Donepezil EP Impurity A

CAT. No.	CP-D2001
CAS. No.	120014-30-4
Mol. F.	C17H23NO3
Mol. Wt.	289.38
Stock Status:	Custom Synthesis

Rel. Cas No: 120013-39-0(HCl salt)

Donepezil EP Impurity B

CAT. No.	CP-D2002
CAS. No.	2107-69-9
Mol. F.	C11H12O3
Mol. Wt.	192.21
Stock Status:	In Stock

Donepezil EP Impurity C

CAT. No.	CP-D2003
CAS. No.	NA
Mol. F.	C24H29NO4
Mol. Wt.	395.49
Stock Status:	Custom Synthesis

Donepezil EP Impurity D

CAT. No.	CP-D2004
CAS. No.	4803-57-0
Mol. F.	C17H17NO3
Mol. Wt.	283.33
Stock Status:	Custom Synthesis

Donepezil EP Impurity E

CAT. No.	CP-D2005
CAS. No.	231283-82-2
Mol. F.	C24H24NO3 : Br
Mol. Wt.	374.5 : 79.9
Stock Status:	In Stock

Rel. Cas No: 757173-38-9 (free base)

Donepezil EP Impurity G

CAT. No.	CP-D2007
CAS. No.	2452407-72-4
Mol. F.	C24H27NO3
Mol. Wt.	377.48
Stock Status:	In Stock

Donepezil EP Impurity F

CAT. No.	CP-D2008
CAS. No.	145546-80-1
Mol. F.	C24H27NO3
Mol. Wt.	377.48
Stock Status:	In Stock

Donepezil N-Oxide

CAT. No.	CP-D2009
CAS. No.	120013-84-5
Mol. F.	C24H29NO4
Mol. Wt.	395.49
Stock Status:	In Stock

Dehydrodeoxy Donepezil

CAT. No.	CP-D2010
CAS. No.	120013-45-8
Mol. F.	C24H29NO2
Mol. Wt.	363.49
Stock Status:	In Stock

Donepezil Pyridine Dehydro N-Oxide

CAT. No.	CP-D2011
CAS. No.	896134-06-8
Mol. F.	C17H15NO4
Mol. Wt.	297.31
Stock Status:	In Stock

Donepezil Open ring Impurity

CAT. No.	CP-D2012
CAS. No.	197010-25-6
Mol. F.	C24H29NO5
Mol. Wt.	411.50
Stock Status:	In Stock

Rel. Cas No: 2217617-87-1 (HCl salt)

Donepezil Dihydro Impurity

CAT. No.	CP-D2014
CAS. No.	120012-04-6
Mol. F.	C24H31NO3
Mol. Wt.	381.52
Stock Status:	Custom Synthesis

Donepezil Aldehyde Impurity

CAT. No.	CP-D2015
CAS. No.	22065-85-6
Mol. F.	C13H17NO
Mol. Wt.	203.28
Stock Status:	Custom Synthesis

Donepezil Benzyl Bromide

CAT. No.	CP-D2016
CAS. No.	844694-85-5
Mol. F.	C31H36NO3 : Br
Mol. Wt.	470.6:79.9
Stock Status:	In Stock

Rel. Cas No: 845252-34-8 (free base)

Donepezil Deoxy Impurity

CAT. No.	CP-D2017
CAS. No.	1034439-57-0
Mol. F.	C24H31NO2 : HCl
Mol. Wt.	365.5 : 36.5
Stock Status:	Custom Synthesis

Rel. Cas No: 110119-84-1 (anhydrous) ; 884740-09-4 (monohydrate)

Donepezil Hydrochloride

CAT. No.	CP-D2018
CAS. No.	120011-70-3
Mol. F.	C24H29NO3 : HCl
Mol. Wt.	379.5 : 36.46
Stock Status:	In Stock

Rel. Cas No: 110119-84-1 (anhydrous) ; 884740-09-4 (monohydrate)

Donepezil 6-O-Desmethyl Impurity

CAT. No.	CP-D2019
CAS. No.	120013-56-1
Mol. F.	C23H27NO3
Mol. Wt.	365.47
Stock Status:	Custom Synthesis

Rel. Cas No: 852285-82-6 (HCl salt)

Donepezil Deoxy

CAT. No.	CP-D2020
CAS. No.	844694-84-4
Mol. F.	C24H31NO2
Mol. Wt.	365.51
Stock Status:	Custom Synthesis

Donepezil Didesmethyl Impurity

CAT. No.	CP-D2021
CAS. No.	220170-71-8
Mol. F.	C22H25NO3
Mol. Wt.	351.45
Stock Status:	Custom Synthesis

N-Nitroso Donepezil EP Impurity A

CAT. No.	CP-D2023
CAS. No.	NA
Mol. F.	C17H22N2O4
Mol. Wt.	318.37
Stock Status:	In Stock

Donepezil Impurity 13

CAT. No.	CP-D2025
CAS. No.	608511-44-0
Mol. F.	C24H27NO3
Mol. Wt.	377.48
Stock Status:	Custom Synthesis

Donepezil Impurity 18

CAT. No.	CP-D2026
CAS. No.	110406-97-8
Mol. F.	C11H15ClO2
Mol. Wt.	214.69
Stock Status:	Custom Synthesis

Donepezil Impurity 19

CAT. No.	CP-D2027
CAS. No.	50786-50-0
Mol. F.	C11H15ClO3
Mol. Wt.	230.69
Stock Status:	Custom Synthesis

Donepezil Impurity 21

CAT. No.	CP-D2028
CAS. No.	4693-38-3
Mol. F.	C11H13ClO3
Mol. Wt.	228.67
Stock Status:	Custom Synthesis

Donepezil Pyridine Dehydro Impurity

CAT. No.	CP-D2029
CAS. No.	4803-74-1
Mol. F.	C17H15NO3
Mol. Wt.	281.31
Stock Status:	In Stock

Donepezil Pyridine N-Oxide

CAT. No.	CP-D2030
CAS. No.	896134-07-9
Mol. F.	C17H17NO4
Mol. Wt.	299.33
Stock Status:	Custom Synthesis

1-(3,4-Dimethoxyphenyl)-3-hydroxypropan-1-one

CAT. No.	CP-D2032
CAS. No.	104397-78-6
Mol. F.	C11H14O4
Mol. Wt.	210.23
Stock Status:	Custom Synthesis

1,2-Dimethoxy-4-propylbenzene

CAT. No.	CP-D2033
CAS. No.	5888-52-8
Mol. F.	C11H16O2
Mol. Wt.	180.24
Stock Status:	Custom Synthesis

Donepezil Hydroxy Acid Impurity

CAT. No.	CP-D2034
CAS. No.	NA
Mol. F.	C24H31NO5
Mol. Wt.	413.51
Stock Status:	Custom Synthesis

Donepezil 4-Hydroxy Impurity

CAT. No.	CP-D2035
CAS. No.	197010-22-3
Mol. F.	C24H29NO4
Mol. Wt.	395.5
Stock Status:	Custom Synthesis

Donepezil 5-O-Desmethyl Impurity

CAT. No.	CP-D2036
CAS. No.	120013-57-2
Mol. F.	C23H27NO3
Mol. Wt.	365.47
Stock Status:	Custom Synthesis

Donepezil 3-Hydroxy Impurity

CAT. No.	CP-D2037
CAS. No.	2097683-67-3
Mol. F.	C24H29NO4
Mol. Wt.	395.5
Stock Status:	Custom Synthesis

Donepezil Alkene Pyridine N-Oxide

CAT. No.	CP-D2038
CAS. No.	2452407-68-8
Mol. F.	C17H151NO4
Mol. Wt.	297.31
Stock Status:	Custom Synthesis

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

CAT. No.	CP-D2039
CAS. No.	220170-73-0
Mol. F.	C29H35NO9
Mol. Wt.	541.6
Stock Status:	Custom Synthesis

Donepezil Impurity 2

CAT. No.	CP-D2040
CAS. No.	36517-91-6
Mol. F.	C11H10O4
Mol. Wt.	206.2
Stock Status:	Custom Synthesis

3-Keto Donepezil

CAT. No.	CP-D2041
CAS. No.	1023500-88-0
Mol. F.	C24H27NO4
Mol. Wt.	393.5
Stock Status:	Custom Synthesis

Donepezil Impurity 4

CAT. No.	CP-D2042
CAS. No.	2452407-69-9
Mol. F.	C24H29NO3
Mol. Wt.	379.5
Stock Status:	Custom Synthesis

Donepezil Impurity 8

CAT. No.	CP-D2043
CAS. No.	1808997-65-0
Mol. F.	C18H23NO4
Mol. Wt.	317.4
Stock Status:	Custom Synthesis

Donepezil Impurity 9

CAT. No.	CP-D2044
CAS. No.	2452407-71-3
Mol. F.	C26H33NO4
Mol. Wt.	423.6
Stock Status:	Custom Synthesis

Donepezil Impurity 11

CAT. No.	CP-D2045
CAS. No.	2230493-73-7
Mol. F.	C24H27NO3
Mol. Wt.	377.5
Stock Status:	Custom Synthesis

Donepezil Impurity 14

CAT. No.	CP-D2046
CAS. No.	329010-67-5
Mol. F.	C24H29NO4
Mol. Wt.	395.5
Stock Status:	Custom Synthesis

Donepezil Impurity 16

CAT. No.	CP-D2047
CAS. No.	1034439-43-4
Mol. F.	C17H25NO2 : HCl
Mol. Wt.	275.4 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 844694-83-3 (free base)

Donepezil Hydrochloride Monohydrate

CAT. No.	CP-D2048
CAS. No.	884740-09-4
Mol. F.	C24H29NO3 : HCl : H2O
Mol. Wt.	379.5 : 36.46 : 18.0
Stock Status:	Custom Synthesis

Rel. Cas No: 120014-06-4 (free base) ; 120011-70-3 (HCl salt) ; 794512-61-1 (HBr salt)

Donepezil Impurity 23

CAT. No.	CP-D2049
CAS. No.	67686-01-5
Mol. F.	C13H19NO
Mol. Wt.	205.3
Stock Status:	Custom Synthesis

Rel. Cas No: 121183-26-4 (HCl salt)

Donepezil Impurity 24

CAT. No.	CP-D2050
CAS. No.	2905-56-8
Mol. F.	C12H17N
Mol. Wt.	175.3
Stock Status:	Custom Synthesis

Donepezil Impurity 25

CAT. No.	CP-D2051
CAS. No.	24228-40-8
Mol. F.	C15H21NO2
Mol. Wt.	247.3
Stock Status:	Custom Synthesis

Rel. Cas No: 111627-24-8 (HCl salt)

Donepezil Impurity 27

CAT. No.	CP-D2052
CAS. No.	923571-15-7
Mol. F.	C17H15NO4
Mol. Wt.	297.3
Stock Status:	Custom Synthesis

N-Nitroso Donepezil 2-Ethylbutyl Impurity

CAT. No.	CP-D2053
CAS. No.	NA
Mol. F.	C24H30N2O4
Mol. Wt.	410.51
Stock Status:	Custom Synthesis

Hydroxy Donepezil (Mixture of diastereomers)

CAT. No.	CP-D2055
CAS. No.	197010-20-1
Mol. F.	C24H29NO4
Mol. Wt.	395.5
Stock Status:	In Stock

Donepezil Impurity 30

CAT. No.	CP-D2057
CAS. No.	149874-81-7
Mol. F.	C25H31NO3
Mol. Wt.	393.53
Stock Status:	Custom Synthesis

Rel. Cas No: NA

Donepezil Impurity 29

CAT. No.	CP-D2058
CAS. No.	149874-80-6
Mol. F.	C25H31NO3
Mol. Wt.	393.53
Stock Status:	Custom Synthesis

Rel. Cas No: NA

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

CAT. No.	CP-D2059
CAS. No.	220170-74-1
Mol. F.	C29H35NO9
Mol. Wt.	541.60
Stock Status:	Custom Synthesis

Rel. Cas No: NA

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

CAT. No.	CP-D2060
CAS. No.	NA
Mol. F.	C29H34NO9 : Na
Mol. Wt.	540.59 : 23.0
Stock Status:	Custom Synthesis

Rel. Cas No: NA

a b c d e f g h i j k l m n o p q r s t u v w x y z

Donepezil

Pharmaceutical Reference Standards

Donepezil

Donepezil EP Impurity A

Donepezil EP Impurity B

Donepezil EP Impurity C

Donepezil EP Impurity D

Donepezil EP Impurity E

Donepezil EP Impurity G

Donepezil EP Impurity F

Donepezil N-Oxide

Dehydrodeoxy Donepezil

Donepezil Pyridine Dehydro N-Oxide

Donepezil Open ring Impurity

Donepezil Dihydro Impurity

Donepezil Aldehyde Impurity

Donepezil Benzyl Bromide

Donepezil Deoxy Impurity

Donepezil Hydrochloride

Donepezil 6-O-Desmethyl Impurity

Donepezil Deoxy

Donepezil Didesmethyl Impurity

N-Nitroso Donepezil EP Impurity A

Donepezil Impurity 13

Donepezil Impurity 18

Donepezil Impurity 19

Donepezil Impurity 21

Donepezil Pyridine Dehydro Impurity

Donepezil Pyridine N-Oxide

1-(3,4-Dimethoxyphenyl)-3-hydroxypropan-1-one

1,2-Dimethoxy-4-propylbenzene

Donepezil Hydroxy Acid Impurity

Donepezil 4-Hydroxy Impurity

Donepezil 5-O-Desmethyl Impurity

Donepezil 3-Hydroxy Impurity

Donepezil Alkene Pyridine N-Oxide

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

Donepezil Impurity 2

3-Keto Donepezil

Donepezil Impurity 4

Donepezil Impurity 8

Donepezil Impurity 9

Donepezil Impurity 11

Donepezil Impurity 14

Donepezil Impurity 16

Donepezil Hydrochloride Monohydrate

Donepezil Impurity 23

Donepezil Impurity 24

Donepezil Impurity 25

Donepezil Impurity 27

N-Nitroso Donepezil 2-Ethylbutyl Impurity

Hydroxy Donepezil (Mixture of diastereomers)

Donepezil Impurity 30

Donepezil Impurity 29

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

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