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620931-47-7

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620931-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 620931-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,9,3 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 620931-47:
(8*6)+(7*2)+(6*0)+(5*9)+(4*3)+(3*1)+(2*4)+(1*7)=137
137 % 10 = 7
So 620931-47-7 is a valid CAS Registry Number.

620931-47-7Relevant academic research and scientific papers

From anilines to isatins: Oxidative palladium-catalyzed double carbonylation of C-H bonds

Li, Wu,Duan, Zhengli,Zhang, Xueye,Zhang, Heng,Wang, Mengfan,Jiang, Ru,Zeng, Hongyao,Liu, Chao,Lei, Aiwen

supporting information, p. 1893 - 1896 (2015/02/19)

A novel palladium-catalyzed C-H double carbonylation introduces two adjacent carbonyl groups for the synthesis of isatins from readily available anilines. The reaction proceeds under atmospheric pressure of CO with high regioselectivity and without any additives. Density functional theory investigations indicate that the palladium-catalyzed double carbonylation catalytic cycle is plausible.

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