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5-(2,6-Diiodo-3--5-methoxyphenoxy)-4-<2-(trimethylsilyl)eth-1-oxy>-2(5H)furanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139220-52-3

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139220-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139220-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139220-52:
(8*1)+(7*3)+(6*9)+(5*2)+(4*2)+(3*0)+(2*5)+(1*2)=113
113 % 10 = 3
So 139220-52-3 is a valid CAS Registry Number.

139220-52-3Relevant academic research and scientific papers

On the way to aflatoxins and related structure types. Regio-controlledannulations by application of homogenous palladium catalysis, urethane tether and ortho,ortho'-diiodine effect

Schmidt, Boris,Hoffmann, H. Martin R.

, p. 9357 - 9368 (2007/10/20)

Homogenous palladium catalyzed intramolecular hydroarylation of appropiately functionalized ortho-iodophenoxyfuranones afforded ABC substructures of AFM1 and austocystine. The o,o′-diiodine effect, coupled with an appropiate urethane tether, al

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