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C28H19Br2NO4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1021941-17-2

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1021941-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021941-17-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,9,4 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1021941-17:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*4)+(3*1)+(2*1)+(1*7)=102
102 % 10 = 2
So 1021941-17-2 is a valid CAS Registry Number.

1021941-17-2Upstream product

1021941-17-2Relevant academic research and scientific papers

Synthesis of 2,4-difuryl-4H-3,1-benzothiazines via a furan ring migration reaction

Abaev, Vladimir T.,Tsiunchik, Fatima A.,Gutnov, Andrey V.,Butin, Alexander V.

, p. 475 - 481 (2008/09/19)

(Chemical Equation Presented) A new simple synthetic approach to 2,4-difuryl-4H-3,1-benzothiazines from 2-isothiocyanoaryldifurylmethanes in the presence of acidic catalyst is described. This rearrangement is a new example of furan ring migration reaction

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