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Current Position： > Product > Drug Impurities > Donepezil
Donepezil Impurity A(USP)
Catalog No: PI20055001     Product Name: Donepezil Impurity A(USP)
CAS No:145546-80-1||Chemical Formula:C17H23NO3||Molecular Weight:289.37500||Exact Mass:289.16779 ||5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1……
Donepezil Impurity C(USP)
Catalog No: PI20055003     Product Name: Donepezil Impurity C(USP)
CAS No:120013-84-5||Chemical Formula:C24H29NO4||Molecular Weight:395.49900||Exact Mass:395.20966||1-benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)met……
Donepezil Impurity E(USP)
Catalog No: PI20055005     Product Name: Donepezil Impurity E(USP)
CAS No:2097683-67-3(free base)||Chemical Formula:C24H29NO4·CF3COOH||Molecular Weight:395.49900||Exact Mass:395.20966||Trifluoroacetate 2-((1-benzylpiperidin-4-y……
Donepezil Impurity G(USP)
Catalog No: PI20055007     Product Name: Donepezil Impurity G(USP)
CAS No:844694-85-5(bromide )||Chemical Formula:C31H36NO3+||Molecular Weight:470.63245||Exact Mass:470.26897||1,1-Dibenzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)meth……
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