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98253-61-3

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98253-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98253-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,5 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98253-61:
(7*9)+(6*8)+(5*2)+(4*5)+(3*3)+(2*6)+(1*1)=163
163 % 10 = 3
So 98253-61-3 is a valid CAS Registry Number.

98253-61-3Relevant articles and documents

Multi Electron Ligands, XI. Synthesis of Macrocyclic Transition Metal Ligands Containing As- and S-Donor Centres and a Functionalized Side Chain

Kauffmann, Thomas,Ennen, Johann

, p. 2714 - 2721 (2007/10/02)

Preparatory to the synthesis of catalysts, methods have been developed for the synthesis of macrocyclic ligands for transition metals which contain besides four endocyclic donor groups (-As(Ph)-, -S-) a variable side chain with a terminal halogen function

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