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873932-12-8

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873932-12-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 873932-12-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,3 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 873932-12:
(8*8)+(7*7)+(6*3)+(5*9)+(4*3)+(3*2)+(2*1)+(1*2)=198
198 % 10 = 8
So 873932-12-8 is a valid CAS Registry Number.

873932-12-8Downstream Products

873932-12-8Relevant articles and documents

Synthesis and characterization of tridentate nickel complexes bearing P∧N∧N and P∧N∧P ligands and their catalytic property in ethylene oligomerization

Hou, Junxian,Sun, Wen-Hua,Zhang, Shu,Ma, Hongwei,Deng, Yuan,Lu, Xiaoming

, p. 236 - 244 (2008/10/09)

A series of nickel(II) complexes ligated by the N-(1-(2-(diarylphosphino) phenyl)methylidene)quinolin-8-amines (P∧N∧N) and 2-(diphenylphosphino)- N-[2-(diarylphosphino)benzylidene]anilines (P∧N∧P) were synthesized and characterized by elemental analysis, spectroscopy, and X-ray crystallography. X-ray crystallographic analyses reveal complexes 16 and 20 as having a five-coordinated distorted trigonal-bipyramidal geometry, while complex 12 displays a distorted square-pyramidal geometry and complex 13 is distorted square planar. Upon activation with MAO and AlEtCl2, these complexes exhibited considerably high activity (up to 1.34 × 106 g·mol-1(Ni)·h-1) of ethylene oligomerization. It was found that ligand environment and reaction conditions significantly affect the activity of the catalysts. In addition, a cobalt analogue with a distorted tetrahedral coordination geometry was investigated, which showed low activity of ethylene oligomerization.

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