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1361298-31-8

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1361298-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1361298-31-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,1,2,9 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1361298-31:
(9*1)+(8*3)+(7*6)+(6*1)+(5*2)+(4*9)+(3*8)+(2*3)+(1*1)=158
158 % 10 = 8
So 1361298-31-8 is a valid CAS Registry Number.

1361298-31-8Relevant articles and documents

A convenient synthesis of novel 2,8-disubstituted pyrido[3,4-b]pyrazines possessing biological activity

Antoine, Maud,Gerlach, Matthias,Guenther, Eckhard,Schuster, Tilmann,Czech, Michael,Seipelt, Irene,Marchand, Pascal

, p. 69 - 82 (2012/03/27)

A regioselective synthetic route to 2,8-disubstituted pyrido[3,4-b] pyrazines, by initial condensation reaction between suitable diaminopyridines and α-keto aldehydes equivalents, has been developed. Focusing on the functionalization on C-8, 2-aryl-8-bromo- and 8-amino-2-arylpyrido[3,4-b] pyrazines have been synthesized. Anilines, amides, and ureas have been introduced at the 8-position from key intermediates. 2,8-Disubstituted pyrido[3,4-b]pyrazines thus prepared were found to be of biological interest. Georg Thieme Verlag Stuttgart. New York.

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