Cas 503067-09-2,[Hf((CH3)2CHNCHC4H3N)2(CH2C6H5)2]

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Check Digit Verification of cas no

The CAS Registry Mumber 503067-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,0,6 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 503067-09:
(8*5)+(7*0)+(6*3)+(5*0)+(4*6)+(3*7)+(2*0)+(1*9)=112
112 % 10 = 2
So 503067-09-2 is a valid CAS Registry Number.

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503067-09-2Relevant academic research and scientific papers

Efficient ethylene polymerisation catalysis by a cationic benzyl hafnium complex containing pyrrolide-imine ligands

Matsui, Shigekazu,Spaniol, Thomas P.,Takagi, Yukihiro,Yoshida, Yasunori,Okuda, Jun

, p. 4529 - 4531 (2007/10/03)

A study was performed on efficient ethylene polymerization catalysis. A dibenzyl hafnium(IV) complex containing pyrrolide-imine ligands was synthesized and investigated as an ethylene polymerization catalyst. It was found that the complex can be converted into the benzyl cation, which showed high ethylene polymerization activity.

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