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605666-91-9

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605666-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 605666-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,5,6,6 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 605666-91:
(8*6)+(7*0)+(6*5)+(5*6)+(4*6)+(3*6)+(2*9)+(1*1)=169
169 % 10 = 9
So 605666-91-9 is a valid CAS Registry Number.

605666-91-9Downstream Products

605666-91-9Relevant articles and documents

Copper-catalyzed amination of aromatic halides with 2-N,N-dimethylaminoethanol as solvent

Lu, Zhikuan,Twieg, Robert J.,Huang, Songping D.

, p. 6289 - 6292 (2007/10/03)

A copper-catalyzed amination of aromatic halides under mild conditions using N,N-dimethylaminoethanol as solvent is described. We have studied this reaction in some detail varying the copper source, base, water content and other parameters including the scope of useful amine and aromatic halide structures. A variety of 4-halo-N,N-cycloalkylanilines and 2-N,N-cycloalkylaminothiophenes were synthesized for further elaboration into chromophores for optoelectronic applications.

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