Cas 1428020-89-6,3-(6-methyl-2-phenyl-1H-indol-3-yl)cyclopentanone

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Check Digit Verification of cas no

The CAS Registry Mumber 1428020-89-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,0,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1428020-89:
(9*1)+(8*4)+(7*2)+(6*8)+(5*0)+(4*2)+(3*0)+(2*8)+(1*9)=136
136 % 10 = 6
So 1428020-89-6 is a valid CAS Registry Number.

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1428020-89-6Relevant academic research and scientific papers

The PdCl2-catalyzed sequential heterocyclization/Michael addition cascade in the synthesis of 2,3-disubstituted indoles

Janreddy, Donala,Kavala, Veerababurao,Kuo, Chun-Wei,Kuo, Ting-Shen,He, Chiu-Hui,Yao, Ching-Fa

, p. 3323 - 3330 (2013)

A cascade reaction of 2-N-unprotected-2-alkynylanilines and various electron-deficient alkenes in the presence of PdCl2 provided 2,3-disubstituted indole derivatives, whereas, in the presence of Pd(OAc) 2, the same reaction resulted in the production of N-alkylated-2-alkynylaniline derivatives.

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