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{NiCl2((C6H5)2PCH2P(C6H5)2)2} is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81767-79-5

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81767-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81767-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,6 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81767-79:
(7*8)+(6*1)+(5*7)+(4*6)+(3*7)+(2*7)+(1*9)=165
165 % 10 = 5
So 81767-79-5 is a valid CAS Registry Number.

81767-79-5Relevant articles and documents

Ditertiary phosphine complexes of nickel. Spectral, magnetic, and proton resonance studies. A planar-tetrahedral equilibrium

Van Hecke, Gerald R.,Horrocks Jr., William DeW.

, p. 1968 - 1974 (1966)

A number of complexes of nickel in oxidation states 0, II, and III with the ditertiary phosphines (C6H5)2P(CH2)nP(C 6H5)2 (n = 1, 2, or 3) are reported and studied by spectral and magnetic methods. In solution in organic solvents complexes of the type Ni[(C6H5)2P(CH2)nP(C 6H5)2]X2 where X = Br or I and n = 2 remain diamagnetic. The analogous complexes with n = 3 show a square-planar (diamagnetic)-tetrahedral (paramagnetic) equilibrium in solution. Isotropic proton magnetic resonance shifts were observed in these systems and thermodynamic parameters for the equilibrium were obtained from the temperature dependences of these shifts. The epr spectrum of polycrystalline Ni[(C6H5)2P(CH2)3P(C 6H5)2]Br3 shows an isotropic signal at g = 2.218.

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