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159791-30-7

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159791-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159791-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,7,9 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 159791-30:
(8*1)+(7*5)+(6*9)+(5*7)+(4*9)+(3*1)+(2*3)+(1*0)=177
177 % 10 = 7
So 159791-30-7 is a valid CAS Registry Number.

159791-30-7Relevant articles and documents

Cyclodehydration of 4-[(carboxymethyl)amino]pyridin-2-ones. A new, efficient synthesis of pyrrolo[3,2-c]pyridin-4-ones and pyrido[3,4-b]pyrrolizidin-1-ones

Edstrom, Eric D.,Yu, Tao

, p. 6985 - 6988 (2007/10/02)

This paper describes an efficient new route for the synthesis of pyrrolo[3,2-c]pyridin-2-ones and pyrido[3,4-b]pyrrolizidin-1-ones starting from 4-chloro-N-benzyl-2(1H)-pyridinone and amino acid salts. Intermediate 4-[(carboxymethyl)amino]pyridin-2-ones u

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