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(2S,2R')-2,2'-Dimethoxy-3,3,3'3'-tetraphenyl-2,2'-bithiiran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83740-94-7

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83740-94-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83740-94-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,4 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83740-94:
(7*8)+(6*3)+(5*7)+(4*4)+(3*0)+(2*9)+(1*4)=147
147 % 10 = 7
So 83740-94-7 is a valid CAS Registry Number.

83740-94-7Relevant academic research and scientific papers

Thiono and Dithio Esters, XXIX. Reactions of Diazo Compounds with Thiooxalates

Hartke, Klaus,Kumar, Arvind,Koester, Joachim,Henssen, Guenther,Kissel, Thomas,et al.

, p. 3096 - 3106 (2007/10/02)

Dimethyl tetrathiooxalate (I) reacts with all diazo compounds 2 investigated to form 1,3-dithioles 3 in high yield.Complex mixtures of products, however, are obtained from O,O-dimethyl dithiooxalate (6) and diazo compounds.The reactions of 6 with diazomethane, diazoethane, 2-diazopropane and diphenyldiazomethane were investigated more in detail.

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