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1440731-05-4

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1440731-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440731-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,7,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1440731-05:
(9*1)+(8*4)+(7*4)+(6*0)+(5*7)+(4*3)+(3*1)+(2*0)+(1*5)=124
124 % 10 = 4
So 1440731-05-4 is a valid CAS Registry Number.

1440731-05-4Downstream Products

1440731-05-4Relevant articles and documents

Nickel-catalyzed intramolecular C-H arylation using aryl pivalates as electrophiles

Wang, Jiayi,Ferguson, Devin M.,Kalyani, Dipannita

, p. 5780 - 5790 (2013/07/19)

This paper describes a method for nickel catalyzed intramolecular C-H arylation using aryl pivalates as electrophiles. The transformation is efficient for the synthesis of diverse electronically and sterically differentiated dibenzofurans. Additionally, the method could be expanded toward the synthesis of carbazoles. Preliminary mechanistic studies of the transformation are also described.

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