ChemicalBook > CAS DataBase List > 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE

2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE

Product Name: 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE
CAS No.: 145546-80-1
Chemical Name: 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE
Synonyms: Donepezil-USP-A;Donepezil-013-E;(2E)-Dehydrodonepezil;Donepezil impurity 01;(E)-Dehydro Donepezil;Donepezil EP Impurity F;Donepezil Impurity A(USP);Donepezil related coMpound A;Donepezil Related Compound I;Donepezil Related Compound 1
CBNumber: CB11229382
Molecular Formula: C24H27NO3
Formula Weight: 377.48
MOL File: 145546-80-1.mol

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2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE Property

Boiling point:: 542.8±50.0 °C(Predicted)
Density: 1.209±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
solubility: DMSO (Sparingly), Methanol (Slightly)
form: Solid
pka: 8.17±0.10(Predicted)
color: Pale Yellow to Light Yellow
CAS DataBase Reference: 145546-80-1

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Safety

HS Code: 2933399090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H300Fatal if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 1224992
Product name: Donepezil related compound A
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 25mg
Price: $1300
Updated: 2025/07/31

TRC

Product number: D229775
Product name: (2E)-Dehydrodonepezil(DonepezilImpurity)
Packaging: 1mg
Price: $70
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: API0046119
Product name: DONEPEZIL DEHYDRO IMPURITY
Purity: 95.00%
Packaging: 5MG
Price: $451.04
Updated: 2021/12/16

Crysdot

Product number: CD00009391
Product name: (E)-2-((1-Benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Purity: 97%
Packaging: 10g
Price: $481
Updated: 2021/12/16

Crysdot

Product number: CD00009391
Product name: (E)-2-((1-Benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Purity: 97%
Packaging: 25g
Price: $802
Updated: 2021/12/16

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2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE Chemical Properties,Usage,Production

Uses

(2E)-Dehydrodonepezil (Donepezil USP Related Compound A) is a derivative of Donepezil (D531750), a nootropic. An inhibitor of acetylcholinesterase.

2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE Suppliers

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View Lastest Price from 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE manufacturers

Guangzhou PI PI BIOTECH INC

Product: Donepezil Impurity A 145546-80-1
Price: US $0.00-0.00/mg
Min. Order: 10mg
Purity: 90%+
Supply Ability: 10g
Release date: 2021-09-20

Guangzhou PI PI BIOTECH INC

Product: Donepezil Impurity A(USP) 145546-80-1
Price: US $0.00-0.00/mg
Min. Order: 10mg
Purity: 90%+
Supply Ability: 10g
Release date: 2021-09-20

Guangzhou PI PI BIOTECH INC

Product: Donepezil Impurity A(USP) 145546-80-1
Price: US $0.00-0.00/mg
Min. Order: 10mg
Purity: 90%+
Supply Ability: 10g
Release date: 2021-09-20

145546-80-1, 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONERelated Search:

DONEPEZIL IMP Donepezil Impurity 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-yl)methylpyridinium Bromide Donepezil Impurity 7 Donepezil Hydrochloride Donepezil 2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one Donepezil Impurity 17 HCl 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)piperidine 5,6-DIMETHOXY-2-PYRIDIN-4-YLMETHYL-INDAN-1-ONE 5,6-Dimethoxy-1-indanone 4-PYRIDINECARBOXALDEHYDE N-OXIDE Donepezil Impurity 8 RAC (CIS/TRANS) DONEPEZIL N-OXIDE Donepezil Impurity 5-O-Desmethyl Donepezil XWAIAVWHZJNZQQ-RPXFAUAJSA-N 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one

Donepezil Related Compound A (25 mg) ((E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one)

Donepezil related coMpound A

(2E)-Dehydrodonepezil

Donepezil Related Compound A(USP)

Donepezil-013-E

(2E)-Dehydrodonepezil\n\n(Donepezil Impurity)

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

Donepezil EP Impurity F

Donepezil impurity 1/Donepezil Related Compound A/Donepezil Dehydro Impurity/(2E)-Dehydro Donepezil/ (E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one

Donepezil-USP-A

Donepezil Impurity A(USP)

Donepezil Related Compound I

Donepezil USP Related Compound A

1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]-, (2E)-

2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMET...

Goserelin Acetate (COLD SHIPMENT REQUIRED) (1297205)

Donepezil Related Compound A ((E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one) (1224992)

(2E)-2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]-1H-inden-1-one

Donepezil Related Compound 1

Donepezil impurity 01

(E)-Dehydro Donepezil

(E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan- 1-one

Donepezil EP Impurity F (Donepezil USP Related Compound A)

Donepezil Impurity 9 (Donepezil EP Impurity F)

2-[(1-Benzyl-4-Piperidinyl)Methylene]-5,6-Dimethoxy-1-Indanone

(<i>E</i>)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one(Donepezil Related Compound A)

(E)-2-((1-Benzylpiperidin-4-yl)methylene)-5

145546-80-1