Cas 1021941-23-0,5-bromo-2-bis(5-methyl-2-furyl)methylphenyl isothiocyanate

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Check Digit Verification of cas no

The CAS Registry Mumber 1021941-23-0 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, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1021941-23:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*4)+(3*1)+(2*2)+(1*3)=100
100 % 10 = 0
So 1021941-23-0 is a valid CAS Registry Number.

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1021941-23-0Relevant 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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