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819843-20-4

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819843-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 819843-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,9,8,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 819843-20:
(8*8)+(7*1)+(6*9)+(5*8)+(4*4)+(3*3)+(2*2)+(1*0)=194
194 % 10 = 4
So 819843-20-4 is a valid CAS Registry Number.

819843-20-4Relevant articles and documents

A recyclable nanosize aminoarenethiolato copper(I) catalyst for C-C coupling reactions

Arink, Anne M.,Van De Coevering, Rob,Wieczorek, Birgit,Firet, Judith,Jastrzebski, Johann T.B.H.,Gebbink, Robertus J.M. Klein,Van Koten, Gerard

, p. 3813 - 3819 (2007/10/03)

An aminoarenethiolato copper(I) catalyst was attached to a carbosilane dendritic wedge, which had been prepared via a novel convergent synthetic method. Compared with the unsupported complex, this novel dendritic copper(I) catalyst is more robust towards

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