2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

2-[(1-苄基哌啶-4-基)亚甲基]-5,6-二甲氧基-2,3-二氢-1H-茚-1-酮

Also known as: (2E)-Dehydrodonepezil, Donepezil EP Impurity F, Donepezil USP Impurity A, Donepezil Related Compound A (USP), Donepezil Impurity 9, (E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one, 2-[(E)-(1-benzyl-4-piperidinyl)methylidene]-5,6-dimethoxy-1-indanone

2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one (CAS 145546-80-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H27NO3 and a molecular weight of 377.47600 g/mol. It is also known as (2E)-Dehydrodonepezil, Donepezil EP Impurity F and Donepezil USP Impurity A. Key properties include a melting point of 542.774°C at 760 mmHg, a boiling point of 542.774°C at 760 mmHg, a density of 1.209g/cm3 and a flash point of 282.06°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

145546-80-1

Jingsj CID

J-1058385-0

Molecular Formula

C₂₄H₂₇NO₃

Chinese Name

2-[(1-苄基哌啶-4-基)亚甲基]-5,6-二甲氧基-2,3-二氢-1H-茚-1-酮

Molecular Weight

377.47600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026