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Donepezil Impurity

Donepezil Impurity structure

CAS No.: 36159-03-2

Chemical Name:: Donepezil Impurity

Synonyms: Donepezil-024;Donepezil Impurity 22;(Z)-5,5',6,6'-tetramethoxy-2,3-dihydro-[1,2'-biindenylidene]-1'(3'H)-one;2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one;1H-Inden-1-one, 2-(2,3-dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-;Donepezil impurity 25/ 2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one

CBNumber:: CB43313574

Molecular Formula:: C22H22O5

Molecular Weight:: 366.41

MDL Number:

MOL File:: 36159-03-2.mol

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Donepezil Impurity price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	D474833	2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one	36159-03-2	10mg	$1320	2021-12-16	Buy

Product number	Packaging	Price	Buy
D474833	10mg	$1320	Buy

Donepezil Impurity Chemical Properties,Uses,Production

Uses

2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one is an impurity in the synthesis of Donepezil (D531750), a nootropic. An inhibitor of acetylcholinesterase.

Donepezil Impurity Preparation Products And Raw materials

Raw materials

Preparation Products

Donepezil Impurity Suppliers

Global( 21)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14336	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19553	58
China National Standard Pharmaceutical Corporation Limited	+8615391658522	overseasales@yongstandards.com	China	11927	58
ChemStrong Scientific Co.,Ltd	0755-0755-66853366 13670046396	sales@chem-strong.com	China	17993	56
BOC Sciences	16314854226	info@bocsci.com	United States	9926	65
Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.	0531-58897130 15508676053	drug_impurity@sdcclh.com	China	1830	58
Guangzhou Dreampharm Biotechnology Co., Ltd.	17825480238	3008233717@qq.com	China	9843	12
Jinan blalong chemical co. LTD	2710913286@.com	1513643261@qq.com	China	14253	58
Shenzhen ruikai de biotechnology co., ltd.	0755-61348847 17820674378	2682116078@qq.com	China	7844	58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD	0755-0755-0755-83725350 13380397412	3001280422@qq.com	China	9939	58

Supplier	Advantage
Standardpharm Co. Ltd.	58
BOC Sciences	58
China National Standard Pharmaceutical Corporation Limited	58
ChemStrong Scientific Co.,Ltd	56
BOC Sciences	65
Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.	58
Guangzhou Dreampharm Biotechnology Co., Ltd.	12
Jinan blalong chemical co. LTD	58
Shenzhen ruikai de biotechnology co., ltd.	58
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD	58

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Donepezil Impurity 22 Donepezil impurity 25/ 2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one 1H-Inden-1-one, 2-(2,3-dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy- (Z)-5,5',6,6'-tetramethoxy-2,3-dihydro-[1,2'-biindenylidene]-1'(3'H)-one 2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one Donepezil-024 36159-03-2