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309959-94-2

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309959-94-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309959-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,5 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 309959-94:
(8*3)+(7*0)+(6*9)+(5*9)+(4*5)+(3*9)+(2*9)+(1*4)=192
192 % 10 = 2
So 309959-94-2 is a valid CAS Registry Number.

309959-94-2Downstream Products

309959-94-2Relevant articles and documents

Synthesis and Characterization of Bis(iminopyrrolyl)zirconium Complexes

Masuda, Hideki,Yasui, Kenji,Watanabe, Mitsuo,Nishio, Kazuyuki,Rao, Tata N.,Fujishima, Akira

, (2008/10/08)

Diamino and dichloro zirconium complexes having two iminopyrrolyl ligands, Zr(NEt2)2(pyr)2 (2a-e) (pyr=2-(N-aryliminomethyl)pyrrolyl) and ZrCl2(pyr)2 (3a-e), were prepared. The cis-configuration of diamino and dichloro moieties was elucidaded on the basis of NMR spectroscopy as well as by a crystallographic study for complex 3a. We demonstrated that these zirconium complexes became catalyst precursors for the polymerization of ethylene in presence of excess amounts of methylaluminoxane.

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