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methyl 1-methyl-3-phenyl-dibenzothiophene-2-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128405-85-6

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128405-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128405-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,0 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128405-85:
(8*1)+(7*2)+(6*8)+(5*4)+(4*0)+(3*5)+(2*8)+(1*5)=126
126 % 10 = 6
So 128405-85-6 is a valid CAS Registry Number.

128405-85-6Downstream Products

128405-85-6Relevant academic research and scientific papers

Preparation and Diels-Alder Reactivity of Benzothieno- and Benzothienopyran-3-ones, Benzothiophene-2,3-quinodimethane Analogues; Synthesis of Dibenzothiophenes

Jackson, P. Mark,Moody, Christopher J.

, p. 681 - 687 (2007/10/02)

The benzothienopyran-3-ones (6) and the isomeric pyranones (7) are stable analogues of benzothiophene-2,3-quinodimethane (3).When heated with alkynes they undergo Diels-Alder reactions to give, after loss of carbon dioxide, dibenzothiophenes.The regiochemistry of the Diels-Alder reaction is discussed.

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