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7120-45-8

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7120-45-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7120-45-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,2 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7120-45:
(6*7)+(5*1)+(4*2)+(3*0)+(2*4)+(1*5)=68
68 % 10 = 8
So 7120-45-8 is a valid CAS Registry Number.

7120-45-8Relevant articles and documents

Decarbonylative Methylation of Aromatic Esters by a Nickel Catalyst

Okita, Toshimasa,Muto, Kei,Yamaguchi, Junichiro

supporting information, p. 3132 - 3135 (2018/05/28)

A Ni-catalyzed decarbonylative methylation of aromatic esters was achieved using methylaluminums as methylating agents. Dimethylaluminum chlorides uniquely worked as the methyl source. Because of the Lewis acidity of aluminum reagents, less reactive alkyl esters could also undergo the present methylation. By controlling the Lewis acidity of aluminum reagents, a chemoselective decarbonylative cross-coupling between alkyl esters and phenyl esters was successful.

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