Cas 120573-59-3,C16H19N3O5

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Check Digit Verification of cas no

The CAS Registry Mumber 120573-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,7 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120573-59:
(8*1)+(7*2)+(6*0)+(5*5)+(4*7)+(3*3)+(2*5)+(1*9)=103
103 % 10 = 3
So 120573-59-3 is a valid CAS Registry Number.

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120573-59-3Relevant academic research and scientific papers

CONJUGATED AZOALKENES, PART VI. α-OLEFINATED CARBONYL DERIVATIVES BY TREATMENT OF AZOALKENES WITH CARBOMETHOXYMETHYLENE TRIPHENYLPHOSPHORANE

Attanasi, Orazio A.,Filippone, Paolino,Santeusanio, Stefania

, p. 5787 - 5788 (2007/10/02)

α-Olefinated carbonyl derivatives have been obtained in good yield under very mild conditions by Wittig-type reaction of some conjugated azoalkenes with carbomethoxymethylene triphenylphosphorane.The reaction mechanism seems to implicate zwitterionic rather than cycloadduct intermediate, as usual for the Wittig reaction.

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