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2H-Pyran-2-one, 4,5-bis(4-methylphenyl)-3,6-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40938-59-8

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40938-59-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40938-59-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,3 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40938-59:
(7*4)+(6*0)+(5*9)+(4*3)+(3*8)+(2*5)+(1*9)=128
128 % 10 = 8
So 40938-59-8 is a valid CAS Registry Number.

40938-59-8Downstream Products

40938-59-8Relevant academic research and scientific papers

Cycloaddition of benzo[b]thiophene-S,S-dioxide - A route to substituted dibenzothiophenes and dibenzothiophene S,S-dioxides

Iniesta, Jesus,Matsumoto, Taisuke,Thiemann, Thies

experimental part, p. 109 - 114 (2009/08/07)

Benzo[b]thiophene S,S-dioxide can be transformed by cycloaddition with tetraarylthiophene S-oxides to tetraaryldibenzothiophene S,S-dioxides. An analogous cycloaddition of benzo[b]thiophene S,S-dioxide, albeit at higher temperatures, leads directly to tet

Thermal oxidation of tetracyclones (2,3,4,5-tetraarylcyclopentadienones)

Thiemann, Thies,Iniesta, Jesus,Walton, David J.

scheme or table, p. 173 - 180 (2009/05/07)

Tetracyclones are transformed to a mixture of diacylstilbenes and a-pyrones, when they are heated in diphenylether saturated with oxygen.

Reactions of Diphenylcyclopropenone and Tetracyclones with Potassium Superoxide

Neckers, Douglas C.,Hauck, Gerhard

, p. 4691 - 4695 (2007/10/02)

Reactions of diphenylcyclopropenone and various tetracyclones with potassium superoxide are reported.

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