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4H-1-Benzopyran-4-one, 6-chloro-2-(3,4-dimethoxyphenyl)-2,3-dihydro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

26029-20-9

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26029-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26029-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,0,2 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26029-20:
(7*2)+(6*6)+(5*0)+(4*2)+(3*9)+(2*2)+(1*0)=89
89 % 10 = 9
So 26029-20-9 is a valid CAS Registry Number.

26029-20-9Relevant academic research and scientific papers

A facile synthesis of ethyl-2-methyl-5-aryl-5H-chromeno-[3,4-c]pyridine-1-carboxylates

Venkati,Krupadanam

, p. 2589 - 2598 (2007/10/03)

Flav-4-ones on reaction with DMF/POCl3 gave 4-chloro-2-aryl-2H-chromene-3-carbaldehydes which on reaction with ethyl-3-aminocrotonate give under Hantszch reaction conditions ethyl-2-methyl-5-aryl-5H-chromeno[3,4-c]pyridine-1-carboxylates in good yields.

DDQ Oxidation of Flavan-4-ols - A New Method for Synthesis of Flavones

Jyotsna, D.,Rao, A. V. Subba

, p. 877 - 878 (2007/10/02)

Flavan-4-ols on oxidation with two mol of 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) in benzene afford flavones as the major products and flavanones as the minor products.

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