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106664-04-4

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106664-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106664-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,6,6 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106664-04:
(8*1)+(7*0)+(6*6)+(5*6)+(4*6)+(3*4)+(2*0)+(1*4)=114
114 % 10 = 4
So 106664-04-4 is a valid CAS Registry Number.

106664-04-4Downstream Products

106664-04-4Relevant articles and documents

Copper catalyzed/mediated synthetic methodology for ebselen and related isoselenazolones

Balkrishna, Shah Jaimin,Bhakuni, Bhagat Singh,Kumar, Sangit

experimental part, p. 9565 - 9575 (2011/12/15)

Scope of the copper catalyzed/mediated selenium-nitrogen coupling reaction has been studied for the synthesis of isoselenazolones. It is noticed that the 2-chloro, 2-bromo-, and 2-iodo-aryl amides substrates can be exploited in the selenium-nitrogen coupling reaction by employing 25-100 mol % of CuI/1,10-phenanthroline (L) and potassium carbonate as a base in DMF. Furthermore, electron rich 2-chloro-arylamides also underwent selenium-nitrogen coupling reaction to give biologically important selenium-nitrogen heterocycles. Also, copper-catalyzed selenium-nitrogen coupling reaction has been meticulously applied for the synthesis of diaryl diselenides having methoxy, amine, and amide functionality from respective aryl iodides in the presence of stoichiometric amount of succinimide as an external Se-N coupling partner.

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