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1423439-31-9

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1423439-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1423439-31-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,4,3 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1423439-31:
(9*1)+(8*4)+(7*2)+(6*3)+(5*4)+(4*3)+(3*9)+(2*3)+(1*1)=139
139 % 10 = 9
So 1423439-31-9 is a valid CAS Registry Number.

1423439-31-9Downstream Products

1423439-31-9Relevant articles and documents

Copper-Catalyzed Decarboxylative Difluoroalkylation and Perfluoroalkylation of α,β-Unsaturated Carboxylic Acids

Lai, Yin-Long,Lin, Dian-Zhao,Huang, Jing-Mei

, p. 597 - 605 (2017/04/26)

Copper-catalyzed decarboxylative difluoroalkylation and perfluoroalkylation of α,β-unsaturated carboxylic acids is described. Promoted by dialkyl phosphite, this novel reaction affords fluoroalkylated motifs with excellent stereoselectivity and broad substrate scope under mild reaction conditions from readily available fluoroalkyl iodides and bromides. Preliminary mechanism study suggests that radical pathway was involved in the catalytic cycle and dialkyl phosphite had played an indispensable role in this reaction.

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