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709643-53-8

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709643-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 709643-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,6,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 709643-53:
(8*7)+(7*0)+(6*9)+(5*6)+(4*4)+(3*3)+(2*5)+(1*3)=178
178 % 10 = 8
So 709643-53-8 is a valid CAS Registry Number.

709643-53-8Relevant articles and documents

Synthesis and characterization of 6-(aryl)-2-thioxo-1,2-dihydropyridine-3- carbonitriles

Attaby, Fawzy A.,El-Ghandour, Ahmed H.,Sayed, Abdelwahed R.,El Bassuony, Ashraf A.,El-Reedy, Ahmed A.M.

experimental part, p. 197 - 221 (2012/06/01)

In the present study, 3-aminothieno[2,3-b]pyridines, pyrido[3′, 2′:4,5]thieno[3,2-d]pyrimidinones, and pyrido[3′,2′:4,5] thieno[3,2-d][1,3]oxazinones were prepared via the reaction of 6-(aryl)-2-thioxo-1,2-dihydropyridine-3-carbonitriles with active-halog

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