Cas 623158-23-6,4(3H)-Pyrimidinone,3,6-diamino-2-methyl-(9CI)

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Check Digit Verification of cas no

The CAS Registry Mumber 623158-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,1,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 623158-23:
(8*6)+(7*2)+(6*3)+(5*1)+(4*5)+(3*8)+(2*2)+(1*3)=136
136 % 10 = 6
So 623158-23-6 is a valid CAS Registry Number.

623158-23-6Upstream product

767-16-8 6-amino-2-methylpyrimidin-4(3H)-one

623158-23-6Downstream Products

623158-23-6Relevant articles and documents

N-amination of unsymmetrically substituted pyrimidines. Synthesis of isomeric N-aminopyrimidones

Bodyagin,Ivanov,Wurst,Schantl,Lobanov,Potekhin

, p. 195 - 199 (2007/10/03)

N-Amination of 6-amino-2-methyl-4-pyrimidone with O-(mesitylenesulfonyl)hydroxylamine leads to the 3-amino derivative. The isomeric 1,6-diamino-2-methyl-4-pyrimidone was obtained by the N-amination of the O-benzoyl derivative of the initial pyrimidone and

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623158-23-6