Donepezil-impurities | Pharmaffiliates

donepezil

A reversible acetylcholinesterase inhibitor, Donepezil is used for the treatment of of Alzheimer's disease. It is a medication used in palliative treatment. It works by inhibiting the hydrolysis of acetylcholine.. Reference standards of Donepezil API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

stdClass Object
(
    [pname] => Donepezil Pyridine N-Oxide
    [catalogue_number] => PA 04 40620
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 299.32
    [form] => C17H17NO4
    [cas] => 896134-07-9
    [pslug] => 896134-07-9-donepezil-pyridine-n-oxide-pa0440620
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    [offers_product_id] => 1354
    [offers_product_code] => PA 04 40620
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PA 04 40620

Donepezil Pyridine N-Oxide


  • Catalogue No.:PA 04 40620

  • CAS :

    896134-07-9

  • Molecular Formula : C17H17NO4

  • Molecular Weight : 299.32

20% OFF
stdClass Object
(
    [pname] => Donepezil Dehydro Impurity (E/Z mixture)
    [catalogue_number] => PA 04 40690
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 377.48
    [form] => C24H27NO3
    [cas] => 120014-07-5
    [pslug] => 120014-07-5-donepezil-dehydro-impurity-e-z-mixture-pa0440690
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    [offers_product_code] => PA 04 40690
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PA 04 40690

Donepezil Dehydro Impurity (E/Z mixture)


  • Catalogue No.:PA 04 40690

  • CAS :

    120014-07-5

  • Molecular Formula : C24H27NO3

  • Molecular Weight : 377.48

20% OFF
stdClass Object
(
    [pname] => 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
    [catalogue_number] => PA 04 40740
    [category_ids] => ,80,71,75,78,70,82,
    [chemical_name] => 
    [weight] => 281.31
    [form] => C17H15NO3
    [cas] => 4803-74-1
    [pslug] => 4803-74-1-5-6-dimethoxy-2-4-pyridylmethylene-1-indanone-pa0440740
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    [offers_product_code] => PA 04 40740
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PA 04 40740

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone


  • Catalogue No.:PA 04 40740

  • CAS :

    4803-74-1

  • Molecular Formula : C17H15NO3

  • Molecular Weight : 281.31

20% OFF
stdClass Object
(
    [pname] => Deoxy Donepezil Hydrochloride
    [catalogue_number] => PA 04 40560
    [category_ids] => ,80,71,75,78,70,82,
    [chemical_name] => 
    [weight] => 401.97
    [form] => C24H32ClNO2
    [cas] => 1034439-57-0
    [pslug] => 1034439-57-0-deoxy-donepezil-hydrochloride-pa0440560
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PA 04 40560

Deoxy Donepezil Hydrochloride


  • Catalogue No.:PA 04 40560

  • CAS :

    1034439-57-0

  • Molecular Formula : C24H32ClNO2

  • Molecular Weight : 401.97

stdClass Object
(
    [pname] => 4,5-Dimethoxy-1-indanone
    [catalogue_number] => PA 04 40630
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 192.21
    [form] => C11H12O3
    [cas] => 6342-80-9
    [pslug] => 6342-80-9-4-5-dimethoxy-1-indanone-pa0440630
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PA 04 40630

4,5-Dimethoxy-1-indanone


  • Catalogue No.:PA 04 40630

  • CAS :

    6342-80-9

  • Molecular Formula : C11H12O3

  • Molecular Weight : 192.21

stdClass Object
(
    [pname] => 4,6-Dimethoxy-2,3-dihydroinden-1-one
    [catalogue_number] => PA 04 40640
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 192.21
    [form] => C11H12O3
    [cas] => 13336-32-8
    [pslug] => 13336-32-8-4-6-dimethoxy-2-3-dihydroinden-1-one-pa0440640
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PA 04 40640

4,6-Dimethoxy-2,3-dihydroinden-1-one


  • Catalogue No.:PA 04 40640

  • CAS :

    13336-32-8

  • Molecular Formula : C11H12O3

  • Molecular Weight : 192.21

stdClass Object
(
    [pname] => 4,7-Dimethoxy-1-indanone
    [catalogue_number] => PA 04 40650
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 192.21
    [form] => C11H12O3
    [cas] => 52428-09-8
    [pslug] => 52428-09-8-4-7-dimethoxy-1-indanone-pa0440650
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PA 04 40650

4,7-Dimethoxy-1-indanone


  • Catalogue No.:PA 04 40650

  • CAS :

    52428-09-8

  • Molecular Formula : C11H12O3

  • Molecular Weight : 192.21

stdClass Object
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    [pname] => 5,7-Dimethoxy-2,3-dihydroinden-1-one
    [catalogue_number] => PA 04 40660
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 192.21
    [form] => C11H12O3
    [cas] => 880-87-5
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PA 04 40660

5,7-Dimethoxy-2,3-dihydroinden-1-one


  • Catalogue No.:PA 04 40660

  • CAS :

    880-87-5

  • Molecular Formula : C11H12O3

  • Molecular Weight : 192.21

stdClass Object
(
    [pname] => 6,7-Dimethoxy-2,3-dihydroinden-1-one
    [catalogue_number] => PA 04 40670
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 192.21
    [form] => C11H12O3
    [cas] => 57441-74-4
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PA 04 40670

6,7-Dimethoxy-2,3-dihydroinden-1-one


  • Catalogue No.:PA 04 40670

  • CAS :

    57441-74-4

  • Molecular Formula : C11H12O3

  • Molecular Weight : 192.21

stdClass Object
(
    [pname] => 1-Benzyl-4-[(6,7-dimethoxy-1-oxoindan-2-yl)methyl]piperidine
    [catalogue_number] => PA 04 40680
    [category_ids] => ,80,71,78,70,82,
    [chemical_name] => 
    [weight] => 379.49
    [form] => C24H29NO3
    [cas] => 736104-42-0
    [pslug] => 736104-42-0-1-benzyl-4-6-7-dimethoxy-1-oxoindan-2-yl-methyl-piperidine-pa0440680
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PA 04 40680

1-Benzyl-4-[(6,7-dimethoxy-1-oxoindan-2-yl)methyl]piperidine


  • Catalogue No.:PA 04 40680

  • CAS :

    736104-42-0

  • Molecular Formula : C24H29NO3

  • Molecular Weight : 379.49

stdClass Object
(
    [pname] => Donepezil Hydrochloride Monohydrate - Impurity G
    [catalogue_number] => PA 04 40700
    [category_ids] => ,70,71,78,80,82,
    [chemical_name] => 
    [weight] => 377.48
    [form] => C24H27NO3
    [cas] => 2452407-72-4
    [pslug] => 2452407-72-4-donepezil-hydrochloride-monohydrate-impurity-g-pa0440700
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PA 04 40700

Donepezil Hydrochloride Monohydrate - Impurity G


  • Catalogue No.:PA 04 40700

  • CAS :

    2452407-72-4

  • Molecular Formula : C24H27NO3

  • Molecular Weight : 377.48

stdClass Object
(
    [pname] => 6-O-Desmethyl Donepezil
    [catalogue_number] => PA 04 40710
    [category_ids] => ,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 365.47
    [form] => C23H27NO3
    [cas] => 120013-56-1
    [pslug] => 120013-56-1-6-o-desmethyl-donepezil-pa0440710
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PA 04 40710

6-O-Desmethyl Donepezil


  • Catalogue No.:PA 04 40710

  • CAS :

    120013-56-1

  • Molecular Formula : C23H27NO3

  • Molecular Weight : 365.47

stdClass Object
(
    [pname] => 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
    [catalogue_number] => PA 04 40720
    [category_ids] => ,80,71,75,78,70,82,
    [chemical_name] => 
    [weight] => 287.35
    [form] => C17H21NO3
    [cas] => 149874-91-9
    [pslug] => 149874-91-9-5-6-dimethoxy-2-4-piperidinyl-methyleneindan-1-one-pa0440720
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PA 04 40720

5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one


  • Catalogue No.:PA 04 40720

  • CAS :

    149874-91-9

  • Molecular Formula : C17H21NO3

  • Molecular Weight : 287.35

stdClass Object
(
    [pname] => 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine-13C3
    [catalogue_number] => PA STI 011340
    [category_ids] => ,80,71,78,70,82,98,
    [chemical_name] => 
    [weight] => 380.45
    [form] => C2113C3H27NO3
    [cas] => 1185239-87-5
    [pslug] => 1185239-87-5-1-benzyl-4-5-6-dimethoxy-1-oxoindan-2-ylidene-methyl-piperidine-13c3-pasti011340
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PA STI 011340

1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-ylidene)methyl]piperidine-13C3


  • Catalogue No.:PA STI 011340

  • CAS :

    1185239-87-5

  • Molecular Formula : C2113C3H27NO3

  • Molecular Weight : 380.45

stdClass Object
(
    [pname] => 5-O-Desmethyl Donepezil-d5
    [catalogue_number] => PA STI 028340
    [category_ids] => ,71,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 370.50
    [form] => C23H22D5NO3
    [cas] => 1189929-21-2
    [pslug] => 1189929-21-2-5-o-desmethyl-donepezil-d5-pasti028340
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PA STI 028340

5-O-Desmethyl Donepezil-d5


  • Catalogue No.:PA STI 028340

  • CAS :

    1189929-21-2

  • Molecular Formula : C23H22D5NO3

  • Molecular Weight : 370.50

stdClass Object
(
    [pname] => 6-O-Desmethyl Donepezil-d5
    [catalogue_number] => PA STI 028350
    [category_ids] => ,71,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 370.50
    [form] => C23H22D5NO3
    [cas] => 1189443-74-0
    [pslug] => 1189443-74-0-6-o-desmethyl-donepezil-d5-pasti028350
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PA STI 028350

6-O-Desmethyl Donepezil-d5


  • Catalogue No.:PA STI 028350

  • CAS :

    1189443-74-0

  • Molecular Formula : C23H22D5NO3

  • Molecular Weight : 370.50

stdClass Object
(
    [pname] => 4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1,1-bis(phenylmethyl)piperidinium-d14 Bromide
    [catalogue_number] => PA STI 032760
    [category_ids] => ,70,71,78,80,81,82,98,
    [chemical_name] => 
    [weight] => 564.61
    [form] => C31H22D14BrNO3
    [cas] => NA
    [pslug] => 4-2-3-dihydro-5-6-dimethoxy-1-oxo-1h-inden-2-yl-methyl-1-1-bis-phenylmethyl-piperidinium-d14-bromide-pasti032760
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PA STI 032760

4-[(2,3-Dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1,1-bis(phenylmethyl)piperidinium-d14 Bromide


  • Catalogue No.:PA STI 032760

  • CAS :

    NA

  • Molecular Formula : C31H22D14BrNO3

  • Molecular Weight : 564.61

stdClass Object
(
    [pname] => Donepezil-d7 Hydrochloride
    [catalogue_number] => PA STI 036190
    [category_ids] => ,80,71,81,78,70,82,98,
    [chemical_name] => 
    [weight] => 423.00
    [form] => C24H23D7ClNO3
    [cas] =>   1261394-20-0
    [pslug] => 1261394-20-0-donepezil-d7-hydrochloride-pasti036190
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PA STI 036190

Donepezil-d7 Hydrochloride


  • Catalogue No.:PA STI 036190

  • CAS :

    1261394-20-0

  • Molecular Formula : C24H23D7ClNO3

  • Molecular Weight : 423.00

stdClass Object
(
    [pname] => Donepezil-13C3 Hydrochloride
    [catalogue_number] => PA STI 036200
    [category_ids] => ,80,71,81,78,70,82,98,
    [chemical_name] => 
    [weight] => 418.93
    [form] => C2113C3H30ClNO3
    [cas] => 1246814-90-3
    [pslug] => 1246814-90-3-donepezil-13c3-hydrochloride-pasti036200
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PA STI 036200

Donepezil-13C3 Hydrochloride


  • Catalogue No.:PA STI 036200

  • CAS :

    1246814-90-3

  • Molecular Formula : C2113C3H30ClNO3

  • Molecular Weight : 418.93

stdClass Object
(
    [pname] => Donepezil - Impurity E (Bromide Salt)
    [catalogue_number] => PA 04 40050
    [category_ids] => ,70,71,75,78,80,82,
    [chemical_name] => 
    [weight] => 454.36
    [form] => C24H24BrNO3
    [cas] => 231283-82-2
    [pslug] => 231283-82-2-donepezil-impurity-e-bromide-salt-pa0440050
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PA 04 40050

Donepezil - Impurity E (Bromide Salt)


  • Catalogue No.:PA 04 40050

  • CAS :

    231283-82-2

  • Molecular Formula : C24H24BrNO3

  • Molecular Weight : 454.36

stdClass Object
(
    [pname] => 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
    [catalogue_number] => PA 04 40750
    [category_ids] => ,80,71,81,78,70,82,
    [chemical_name] => 
    [weight] => 297.31
    [form] => C17H15NO4
    [cas] => 896134-06-8
    [pslug] => 896134-06-8-2-3-dihydro-5-6-dimethoxy-2-1-oxido-4-pyridinyl-methylene-1h-inden-1-one-pa0440750
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PA 04 40750

2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one


  • Catalogue No.:PA 04 40750

  • CAS :

    896134-06-8

  • Molecular Formula : C17H15NO4

  • Molecular Weight : 297.31

stdClass Object
(
    [pname] => Dehydrodeoxy Donepezil Hydrochloride
    [catalogue_number] => PA 04 40760
    [category_ids] => 80,79,71,70
    [chemical_name] => 
    [weight] => 399.96
    [form] => C24H30ClNO2
    [cas] => 130927-68-3
    [pslug] => 130927-68-3-dehydrodeoxy-donepezil-hydrochloride-pa0440760
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PA 04 40760

Dehydrodeoxy Donepezil Hydrochloride


  • Catalogue No.:PA 04 40760

  • CAS :

    130927-68-3

  • Molecular Formula : C24H30ClNO2

  • Molecular Weight : 399.96

stdClass Object
(
    [pname] => Donepezil Keto Acid Sodium Salt
    [catalogue_number] => PA 04 40770
    [category_ids] => ,80,71,70,79,
    [chemical_name] => 
    [weight] => 433.48
    [form] => C24H28NNaO5
    [cas] => NA
    [pslug] => donepezil-keto-acid-sodium-salt-pa0440770
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PA 04 40770

Donepezil Keto Acid Sodium Salt


  • Catalogue No.:PA 04 40770

  • CAS :

    NA

  • Molecular Formula : C24H28NNaO5

  • Molecular Weight : 433.48

stdClass Object
(
    [pname] => Donepezil Open-Ring Hydroxy Acid
    [catalogue_number] => PA 04 40780
    [category_ids] => ,80,71,70,79,
    [chemical_name] => 
    [weight] => 413.51
    [form] => C24H31NO5
    [cas] => NA
    [pslug] => donepezil-open-ring-hydroxy-acid-pa0440780
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PA 04 40780

Donepezil Open-Ring Hydroxy Acid


  • Catalogue No.:PA 04 40780

  • CAS :

    NA

  • Molecular Formula : C24H31NO5

  • Molecular Weight : 413.51

stdClass Object
(
    [pname] => 2-((1-Benzyl-2-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
    [catalogue_number] => PA 04 40790
    [category_ids] => ,80,71,70,79,
    [chemical_name] => 
    [weight] => 395.5
    [form] => C24H29NO4
    [cas] => NA
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PA 04 40790

2-((1-Benzyl-2-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one


  • Catalogue No.:PA 04 40790

  • CAS :

    NA

  • Molecular Formula : C24H29NO4

  • Molecular Weight : 395.5

stdClass Object
(
    [pname] => 2-((1-Benzyl-3-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
    [catalogue_number] => PA 04 40800
    [category_ids] => ,80,71,70,79,
    [chemical_name] => 
    [weight] => 395.5
    [form] => C24H29NO4
    [cas] => 2514735-34-1
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PA 04 40800

2-((1-Benzyl-3-hydroxypiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one


  • Catalogue No.:PA 04 40800

  • CAS :

    2514735-34-1

  • Molecular Formula : C24H29NO4

  • Molecular Weight : 395.5