Cas 1427059-61-7,4-(Phenylethynyl)-2-trifluoromethylquinazoline

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Check Digit Verification of cas no

The CAS Registry Mumber 1427059-61-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,0,5 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1427059-61:
(9*1)+(8*4)+(7*2)+(6*7)+(5*0)+(4*5)+(3*9)+(2*6)+(1*1)=157
157 % 10 = 7
So 1427059-61-7 is a valid CAS Registry Number.

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1427059-61-7Relevant articles and documents

Sonogashira cross-coupling reaction in 4-chloro-2- trichloromethylquinazoline series is possible despite a side dimerization reaction

Kieffer, Charline,Verhaeghe, Pierre,Primas, Nicolas,Castera-Ducros, Caroline,Gellis, Armand,Rosas, Roselyne,Rault, Sylvain,Rathelot, Pascal,Vanelle, Patrice

, p. 2987 - 2995 (2013/03/29)

We studied the Sonogashira coupling reaction between 4-chloro-2- trichloromethylquinazoline and various terminal alkynes, mainly in phenylacetylene series. A brief review of the literature shows that mono- or polybromo/chloromethylated substrates, especia

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1427059-61-7