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1309462-46-1

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1309462-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309462-46-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,4,6 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1309462-46:
(9*1)+(8*3)+(7*0)+(6*9)+(5*4)+(4*6)+(3*2)+(2*4)+(1*6)=151
151 % 10 = 1
So 1309462-46-1 is a valid CAS Registry Number.

1309462-46-1Downstream Products

1309462-46-1Relevant articles and documents

A Facile one-pot synthesis and antimicrobial activity of pyrido [2,3-d][1,2,4]triazolo[4,3-a]pyrimidin-5-ones

Farghaly, Thoraya A.,Riyadh, Sayed M.,Abdallah, Magda A.,Ramadan, Mohamed A.

experimental part, p. 87 - 94 (2012/05/04)

A series of pyrido[2,3-d][1,2,4]triazolo[4,3-a]pyrimidin-5-ones (8) has been synthesised via reaction of 5-substituted-2-thioxo-2,3-dihydro-1H-pyrido[2, 3-d]pyrimidin-4-one (3) or its methylthio derivative 4 with hydrazonoyl chlorides 5. Alternative syntheses of products 8 were carried out either by reaction of enaminone 1 with 7-amino-1,3-disubstituted[1,2,4]triazolo[4,3-a] pyrimidin-5-one (10) or via the Japp-Klingemann reaction of compound 13. Both conventional thermal and microwave irradiation techniques were used for synthesis of the target products 8 and a comparative study of these techniques using triethylamine or chitosan, as basic catalysts, was carried out. The mechanisms of the reactions under investigation are discussed. In addition, the antimicrobial activity of the newly synthesized products was evaluated.

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