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trans-7-(4-Chlorophenyl)-2,3-dicarbomethoxy-7-phenylbicyclo<2.2.1>hepta-2,5-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143680-29-9

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143680-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143680-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,8 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143680-29:
(8*1)+(7*4)+(6*3)+(5*6)+(4*8)+(3*0)+(2*2)+(1*9)=129
129 % 10 = 9
So 143680-29-9 is a valid CAS Registry Number.

143680-29-9Downstream Products

143680-29-9Relevant academic research and scientific papers

Stereoelectronic Control of Facial Selectivity in the Diels-Alder Cycloaddition of Sterically Unbiased 5,5-Diarylcyclopentadienes

Halterman, Ronald L.,McCarthy, Bridget A.,McEvoy, Marjorie A.

, p. 5585 - 5589 (2007/10/02)

This study provides strong evidence for stereoelectronic control of diastereoselectivity in the Diels-Alder cycloaddition of sterically unbiased 5-(4-X-phenyl)-5-phenylcyclopentadienes 1 (X = NO2, Cl, and N(CH3)2) with dimethyl acetylenedicarboxylate (DMA

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