Cas 257290-80-5,2-[5-(5,5-dimethyl-[1,3]dioxan-2-yl)-2-(toluene-4-sulfonylimino)-2<i>H</i>-pyrimidin-1-yl]-acetamide

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Check Digit Verification of cas no

The CAS Registry Mumber 257290-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,2,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 257290-80:
(8*2)+(7*5)+(6*7)+(5*2)+(4*9)+(3*0)+(2*8)+(1*0)=155
155 % 10 = 5
So 257290-80-5 is a valid CAS Registry Number.

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257290-80-5Relevant academic research and scientific papers

Unusual ring closure reaction of amides with pyrimidines: Novel stereoselective synthesis of hexahydroimidazo[1,2-c]pyrimidines

Acero-Alarcoì?n, Alberto,Armero-Alarte, Trinidad,Jorda-Gregori, Joan M.,Rojas-Argudo, Cristina,Zaballos-Garciì?a, Elena,Server-Carrioì?, Juan,Ahjyaje, Fatima Z.,Sepulveda-Arques, Joseì?

, p. 2124 - 2130 (2007/10/03)

Hexahydromidazo[1,2-c]pyrimidines 6 were prepared by the reaction of tosylpyrimidines 2 with bromoacetamides 3 in one step. The stereoselectivity of the reaction has been confirmed by X-ray analysis. Imidazo[1,2- a]pyrimidines 5 were obtained on heating h

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