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2-(4-Chlorphenyl)-3,4-dihydro-2H-1-benzothiopyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78317-71-2

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78317-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78317-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78317-71:
(7*7)+(6*8)+(5*3)+(4*1)+(3*7)+(2*7)+(1*1)=152
152 % 10 = 2
So 78317-71-2 is a valid CAS Registry Number.

78317-71-2Downstream Products

78317-71-2Relevant academic research and scientific papers

Cycloaddition of Benzothiete to 4-Substituted Styrenes

Meier, Herbert,Schmidt, Michael,Eckes, Heinz-Ludwig

, p. 1545 - 1550 (2007/10/02)

By thermal ring opening benzothiete (1) generates an 8-? electron system 2, which forms the cycloadducts 4/5a-j with 4-substituted styrenes 3a-j.The enhancement of the reactivity by electron-donating as well as electron-withdrawing substituents and their influence on the regioselectivity are discussed by applying frontier orbital calculations. - Key Words: Cycloaddition; Substituent effects; Reactivity; Regioselectivity; FMO calculations

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