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1305317-20-7

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1305317-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1305317-20-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,5,3,1 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1305317-20:
(9*1)+(8*3)+(7*0)+(6*5)+(5*3)+(4*1)+(3*7)+(2*2)+(1*0)=107
107 % 10 = 7
So 1305317-20-7 is a valid CAS Registry Number.

1305317-20-7Downstream Products

1305317-20-7Relevant articles and documents

Preparation of novel 2,3,8-trisubstituted pyrido[3,4-b]pyrazines and pyrido[2,3-b]pyrazines

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

, p. 794 - 806 (2011/04/16)

A four-step synthesis of 8-bromo-2,3-disubstituted pyrido[3,4-b]pyrazines and a six-step synthesis of 8-amino-2,3-disubstituted pyrido[3,4-b]pyrazines have been developed. A particularly valuable feature of this synthetic route is the possibility to build

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