5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one

Product Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
CAS No.: 4803-74-1
Chemical Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
Synonyms: Donepezil Impurity D;Donepezil Impurity 23;Donepezil Impurity 48;Letimovir intermediate;Doneprzil Pyridine Dehydro Imp;Donepezil pyridine dehydro Imp;Donepezil Pyridine Dehydro Impurity;5,6-Dimethoxy-2-[(4-pyridyl)methyle;5,6-Dimethoxy-2- (4-pyridyl) methyl-1-indenone;5, 6-dimethoxy-2 -(4-pyridyl) methylene-1-indone
CBNumber: CB0842563
Molecular Formula: C17H15NO3
Formula Weight: 281.31
MOL File: 4803-74-1.mol

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5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Property

Melting point:: 210-211°C
Boiling point:: 499.9±45.0 °C(Predicted)
Density: 1.255
storage temp.: Sealed in dry,Room Temperature
solubility: Chloroform (Slightly), Methanol (Slightly, Heated)
form: Solid
pka: 5.10±0.10(Predicted)
color: Yellow
CAS DataBase Reference: 4803-74-1(CAS DataBase Reference)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: D460720
Product name: 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone(DonepezilImpurity)
Packaging: 25mg
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: ID22170
Product name: 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
Packaging: 100mg
Price: $100
Updated: 2021/12/16

AK Scientific

Product number: J11726
Product name: 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone(DonepezilImpurity)
Packaging: 100mg
Price: $147
Updated: 2021/12/16

Biosynth Carbosynth

Product number: ID22170
Product name: 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
Packaging: 250mg
Price: $200
Updated: 2021/12/16

AK Scientific

Product number: J52235
Product name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
Packaging: 1g
Price: $11
Updated: 2021/12/16

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5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Chemical Properties,Usage,Production

Chemical Properties

Yellow Solid

Uses

An impurity of Donepezil.

5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Preparation Products And Raw materials

Raw materials

Preparation Products

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5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Suppliers

Canada 2 China 176 Europe 2 Germany 1 India 10 United Kingdom 3 United States 12 Global 206

J & K SCIENTIFIC LTD.

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View Lastest Price from 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one 4803-74-1
Price: US $100.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20 tons
Release date: 2023-09-04

PNP Biotech Co. Ltd

Product: 5,6-dimethoxy-2(pyridine-4-yl)methylene-indan-1-one 4803-74-1
Price: US $0.00/kg
Min. Order: 25kg
Purity: 98%
Supply Ability: Inquiry
Release date: 2022-10-21

Hebei Mojin Biotechnology Co., Ltd

Product: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one 4803-74-1
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20tons
Release date: 2023-06-01

4803-74-1, 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-oneRelated Search:

Dimethyldimethoxysilane Pyridine 5,6-Dimethoxy-1-indanone 1,1-Dimethoxyethane Diphenyldimethoxysilane Indan Methylene Blue Dihydromyrcenol Methyltriethoxysilane 4,4'-Diphenylmethane diisocyanate 4-Dimethylaminopyridine Methyltrimethoxysilane 4-Methylpyridine 2-[(E)-(1-BENZYL-4-PIPERIDINYL)METHYLIDENE]-5,6-DIMETHOXY-1-INDANONE 5,6-Dimethoxy-2-(piperidin-4-yl)methylene-indan-1-one XWAIAVWHZJNZQQ-RPXFAUAJSA-N Donepezil 5-O-Desmethyl Donepezil

2,3-dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-1h-inden-1-one

5,6-DIMETHOXY-2-(PYRIDINE-4-YL)METHYLENE-INDAN-1-ONE

4-[(5,6-Dimethoxy-1-Indanone) -2-Methyl] Pyridine

1-Indanone,5,6-dimethoxy-2-(4-pyridylmethylene)- (7CI,8CI)

Donepezil pyridine dehydro Imp

Doneprzil Pyridine Dehydro Imp

5,6-dimethoxyl-2-(piperidin-4-y)methylene-indan-1-one

5,6-DIMETHOXY-2-(4-PYRIDYLMETHYLENE)-1-INDANONE,98.0+%

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone (Donepezil Impurity)

5,6-DiMethoxy-2-(pyridin-4-ylMethylene)-2,3-dihydro-1H-inden-1-one

1H-Inden-1-one,2,3-dihydro-5,6-diMethoxy-2-(4-pyridinylMethylene)-

5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one 2,3-Dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-1H-inden-1-one

(E)-5,6-dimethoxy-2-(pyridin-4-ylmethylene)-2,3-dihydro-1H-inden-1-one

Donepezil Impurity D

Donepezil Impurity 23

Donepezil Pyridine Dehydro Impurity

5,6-Dimethoxy-2-[(4-pyridyl)methyle

5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one ISO 9001：2015 REACH

Letimovir intermediate

Donepezil Impurity 48

5,6-Dimethoxy-2-[(4-pyridyl)methylene]indan-1-one

5,6-Dimethoxy-2- (4-pyridyl) methyl-1-indenone

5,6-Dimethoxy-2(pyridine-4-yl-methelene-indane-1-one

(E)-2,3-dihydro-5,6-dimethoxy-2-((pyridin-4-yl)methylene)inden-1-one

5, 6-dimethoxy-2 -(4-pyridyl) methylene-1-indone

5,6-dimethoxy-2-(pyridin-4-ylmethylene)-2,3-dihydroinden-1-one

(E)-5,6-Dimethoxy-2-pyridin-4-ylmethylene-indan-1-one

4803-74-1

Aromatics Compounds

Aromatics

Heterocycles

Impurities

Intermediates & Fine Chemicals

Pharmaceuticals

4803-74-1