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219563-85-6

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219563-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219563-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,6 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 219563-85:
(8*2)+(7*1)+(6*9)+(5*5)+(4*6)+(3*3)+(2*8)+(1*5)=156
156 % 10 = 6
So 219563-85-6 is a valid CAS Registry Number.

219563-85-6Relevant articles and documents

Isomeric preference in complexes of palladium(II) with chelating P,n-donor ligands

Del Campo, Olga,Carbayo, Arancha,Cuevas, Jose V.,Gabriel, Garcia-Herbosa,Munoz, Asuncion

experimental part, p. 2254 - 2260 (2009/12/02)

Square-planar complexes [PdCl{K2-(RN = CHC6H 4PPh2)Rj] (R = Cl; R = 4-CH 3C6H4, 1a; R = 2-CH3OC 6H4, 1b;R = 2- HOC6H4, 1c;R' =CH3; R = 4-CH3C6H4, 2a;R = 2-CH3OC6H4, 2b; R = 2-HOC6H 4, 2c) have been prepared and characterized. In complexes 2a-c only formation of one isomer was observed. The Pd-methyl bond arranges in a cis position to the phosphane fragment of the P,N chelating ligand. Reaction of complexes 2a-c in acetonitrile with AgBF4 led to removal of the chlorido ligand and coordination of acetonitrile for 2a. However, for 2b and 2c coordination of the oxygen was observed and the chelating P,N ligands became tricoord- inate. DFT calculations developed on models of the complexes displayed that the isomer with the methyl ligand coordinated in the cis position to the phosphane ligand were harder (or had a bigger HOMO/LUMO gap). Wiley-VCH Verlag GmbH & Co. KGaA.

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