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253679-51-5

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253679-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253679-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,7 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 253679-51:
(8*2)+(7*5)+(6*3)+(5*6)+(4*7)+(3*9)+(2*5)+(1*1)=165
165 % 10 = 5
So 253679-51-5 is a valid CAS Registry Number.

253679-51-5Relevant articles and documents

Oxalic amide ligands, and uses thereof in copper-catalyzed coupling reaction of aryl halides

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Page/Page column 98, (2020/01/09)

The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C—N, C—O and C—S bonds.

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