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72837-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72837-38-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,3 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72837-38:
(7*7)+(6*2)+(5*8)+(4*3)+(3*7)+(2*3)+(1*8)=148
148 % 10 = 8
So 72837-38-8 is a valid CAS Registry Number.

72837-38-8Relevant articles and documents

Synthesis of N-(α-fluorovinyl)azoles by the reaction of difluoroalkenes with azoles

Xiong, Yang,Zhang, Xuxue,Huang, Tao,Cao, Song

, p. 6395 - 6402 (2014/08/05)

A mild and versatile method for the construction of C-N bonds by the reaction of (2,2-difluorovinyl)arenes with various N-H-containing heterocycles in the presence of K3PO4 has been developed. The reaction proceeded efficiently at room temperature (25 °C) affording the (E)-N-α-fluorovinyl derivatives of azoles 3 in good to excellent yields with relatively high stereoselectivity.

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