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1426257-80-8

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1426257-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1426257-80-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,2,5 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1426257-80:
(9*1)+(8*4)+(7*2)+(6*6)+(5*2)+(4*5)+(3*7)+(2*8)+(1*0)=158
158 % 10 = 8
So 1426257-80-8 is a valid CAS Registry Number.

1426257-80-8Downstream Products

1426257-80-8Relevant academic research and scientific papers

Effect of ester on rhodium-catalyzed intermolecular [5+2] cycloaddition of 3-acyloxy-1,4-enynes and alkynes

Schienebeck, Casi M.,Robichaux, Patrick J.,Li, Xiaoxun,Chen, Lianqing,Tang, Weiping

, p. 2616 - 2618 (2013/04/23)

We systematically examined the effect of different esters on the rhodium-catalyzed intermolecular [5+2] cycloaddition of 3-acyloxy-1,4-enynes and alkynes with a concomitant 1,2-acyloxy migration. Significant rate acceleration was observed for benzoate substrates bearing an electron-donating substituent. The cycloaddition can now be conducted under much more practical conditions for most terminal alkynes. The Royal Society of Chemistry 2013.

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