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Cas 4803-74-1 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one 4803-74-1 Purity 99% Hanhong Base on product characteristics China

Cas 4803-74-1 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
CAS: 4803-74-1
FOB Price:20 USD/Gram
Minimum Order Quantity:10 Gram
Supply Ability:20 Metric Ton/Month
Updatetime:Nov 26 2021
Company Profile
Contact:Jennie Hu
Address: No. H11007, Building 1, No. 58 Optical Valley Aven
Quick Details
Classification: Pharmaceutical Intermediates
Cas NO.: 4803-74-1
Name: 1H-Inden-1-one,2,3-dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-
Molecular Formula: C17H15NO3
Melting Point: 210-211℃
Boiling Point: 499.9 °C at 760 mmHg
Refractive index:1.639
Flash Point: 499.9 °C at 760 mmHg
Purity: 99%
usage: pharmaceutical intermediate
Brand Name: Hanhong
Aliase: 5,6-Dimethoxy-2-(pyridin-4-ylmethylene)-2,3-dihydro-1H-inden-1-one; (2E)-5,6-dimethoxy-2-(pyridin-4-ylmethylidene)-3H-inden-1-one; 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone (Donepezil Impurity);
Purity: 99%
Appearance:White powder
Brand: Hanhong
Wickerme: jenniess
Whatsapp: +86 185 0712 9935
Usage: An impurity of Donepezil. 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-oneSupplier
Packaging & Delivery
Packaging Detail: Base on product characteristics
Delivery Detail: Stable supply capacity and Quality guarantee of our product . Don't hesitate to contact with me ,if you are interested in this item . We will deliver your order as soon as possible .
Detailed Description


5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Basic information
Product Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
Synonyms: 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+%
CAS: 4803-74-1
MF: C17H15NO3
MW: 281.31
EINECS: 1312995-182-4
Product Categories: Aromatics Compounds;Aromatics;Heterocycles;Impurities;Intermediates & Fine Chemicals;Pharmaceuticals
Mol File: 4803-74-1.mol
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Structure
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Chemical Properties
Melting point  210-211°C
Boiling point  499.9±45.0 °C(Predicted)
density  1.255
storage temp.  Sealed in dry,Room Temperature
pka 5.10±0.10(Predicted)
CAS DataBase Reference 4803-74-1(CAS DataBase Reference)
Safety Information
MSDS Information
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Usage And Synthesis
Chemical Properties Yellow Solid
Uses An impurity of Donepezil.


Company Information
Hanhong Medicine Technology (Hubei) Co., Ltd.
Name:Hanhong Medicine Technology (Hubei) Co., Ltd. √ Verified
Trade Category: Manufacturer√ Verified
Registered Time: 0 √ Verified
Registered Capital:
Legal Representative: √ Verified
Address: No. H11007, Building 1, No. 58 Optical Valley Aven
Product/Service: 5413-05-8 Ethyl 2-phenylacetoacetate; 16648-44-5 BMK powder; 13605-48-6 Pmk glycidate; 79099-07-3 N-BOC-4-piperidone; 49851-31-2 2-bromo-1-phenylpentan-1-one; 288573-56-8

Founded in 2012, Hanhong Medicine Technology (Hubei) Co., Ltd. is located in Wuhan, Hubei Province, China. The company is a product research and development, production, agent, sales in one of the high-tech enterprise integrating inorganic chemicals, organic chemicals, flavors and fragrances, pharmaceutical raw materials, intermediates and other fine chemical products. The company has established good cooperative relations with a number of inspection and testing institutions and large companies at home and abroad, and has a sound scientific research system and quality certification system. The company enjoys a high reputation at home and abroad in line with the business philosophy of "integrity management, quality control and customer first".

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