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1345668-75-8

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1345668-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1345668-75-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,6,6 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1345668-75:
(9*1)+(8*3)+(7*4)+(6*5)+(5*6)+(4*6)+(3*8)+(2*7)+(1*5)=188
188 % 10 = 8
So 1345668-75-8 is a valid CAS Registry Number.

1345668-75-8Relevant articles and documents

Copper(II)-catalyzed synthesis of pyrazinones from α-Azido-N- allylamides under an oxygen atmosphere

Zhang, Line,Lee, Jian-Yuan,Yamazaki, Naomi,Chiba, Shunsuke

, p. 2167 - 2170 (2011/10/18)

A copper(II)-catalyzed reaction of -azido-N-allylamide synthetic under an oxygen atmosphere resulted in the formation of 2-formyl pyrazinones. The present transformation was characterized by the following steps: 1) 1,3-dipolar cycloaddition of the azido part onto the intramolecular alkene to give bicyclic aziridine intermediates; 2) further copper(II)-catalyzed oxygenation-oxidation of the aziridines to give 2-formyl pyrazinones. Georg Thieme Verlag Stuttgart · New York.

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