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 - Impurity B [catalogue_number] => PA 04 40020 [category_ids] => ,80,70, [chemical_name] => [weight] => 192.21 [form] => C11H12O3 [cas] => 2107-69-9 [pslug] => 2107-69-9-donepezil-impurity-b-pa0440020 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40020
CAS :
Molecular Formula : C11H12O3
Molecular Weight : 192.21
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40560
Molecular Formula : C24H32ClNO2
Molecular Weight : 401.97
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40620
Molecular Formula : C17H17NO4
Molecular Weight : 299.32
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40630
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40640
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40650
stdClass Object ( [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 [pslug] => 880-87-5-5-7-dimethoxy-2-3-dihydroinden-1-one-pa0440660 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40660
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 [pslug] => 57441-74-4-6-7-dimethoxy-2-3-dihydroinden-1-one-pa0440670 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40670
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40680
Molecular Formula : C24H29NO3
Molecular Weight : 379.49
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40690
Molecular Formula : C24H27NO3
Molecular Weight : 377.48
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40700
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40720
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 011340
Molecular Formula : C2113C3H27NO3
Molecular Weight : 380.45
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 032760
Molecular Formula : C31H22D14BrNO3
Molecular Weight : 564.61
stdClass Object ( [pname] => 5,6-Dimethoxy-1-indanone-13C3 [catalogue_number] => PA STI 033470 [category_ids] => ,80,70,98, [chemical_name] => [weight] => 195.19 [form] => C813C3H12O3 [cas] => 1185155-55-8 [pslug] => 1185155-55-8-5-6-dimethoxy-1-indanone-13c3-pasti033470 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 033470
Molecular Formula : C813C3H12O3
Molecular Weight : 195.19
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 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 036190
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 036200
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40050
Molecular Formula : C24H24BrNO3
Molecular Weight : 454.36
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40740
Molecular Formula : C17H15NO3
Molecular Weight : 281.31
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40750
Molecular Formula : C17H15NO4
Molecular Weight : 297.31
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 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40770
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40780
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 [pslug] => 2-1-benzyl-2-hydroxypiperidin-4-yl-methyl-5-6-dimethoxy-2-3-dihydro-1h-inden-1-one-pa0440790 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40790
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 [pslug] => 2514735-34-1-2-1-benzyl-3-hydroxypiperidin-4-yl-methyl-5-6-dimethoxy-2-3-dihydro-1h-inden-1-one-pa0440800 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40800
stdClass Object ( [pname] => Donepezil Hydrochloride Monohydrate - Impurity C [catalogue_number] => PA 04 40030 [category_ids] => ,70,75,76,78,80,82, [chemical_name] => [weight] => 395.5 [form] => C24H29NO4 [cas] => 2452407-76-8 [pslug] => 2452407-76-8-donepezil-hydrochloride-monohydrate-impurity-c-pa0440030 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 04 40030
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