Cas 280557-71-3,2-(o-bromobenzyl)-5-methyl-4-hexenenitrile

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Check Digit Verification of cas no

The CAS Registry Mumber 280557-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,5,5 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 280557-71:
(8*2)+(7*8)+(6*0)+(5*5)+(4*5)+(3*7)+(2*7)+(1*1)=153
153 % 10 = 3
So 280557-71-3 is a valid CAS Registry Number.

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280557-71-3Relevant academic research and scientific papers

Palladium-catalyzed chemoselective intramolecular cyclization of 2-bromoaryl alkenenitriles

Deng, Jui-Hui,Tai, Huo-Mu,Yang, Chau-Chen

, p. 327 - 341 (2007/10/03)

The chemoselectivity in the palladium-catalyzed intramolecular cyclization of 2-(o-bromoaryl)alkenenitriles depends on the nature of α-substitutents. 2-(o-Bromoanilino)alkenenitriles attacked the cyano group, followed by the cyano group transposition and

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