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1395897-97-8

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1395897-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1395897-97-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,5,8,9 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1395897-97:
(9*1)+(8*3)+(7*9)+(6*5)+(5*8)+(4*9)+(3*7)+(2*9)+(1*7)=248
248 % 10 = 8
So 1395897-97-8 is a valid CAS Registry Number.

1395897-97-8Downstream Products

1395897-97-8Relevant articles and documents

Bimetallic zirconium amine bis(phenolate) polymerization catalysts: Enhanced activity and tacticity control for polyolefin synthesis

Radlauer, Madalyn R.,Agapie, Theodor

supporting information, p. 3247 - 3250 (2014/08/05)

Binucleating multidentate amine bis(phenolate) ligands with rigid terphenyl backbones were designed to support two zirconium centers locked in close proximity. Polymerizations of propylene or 1-hexene with the synthesized bimetallic precatalysts resulted in polymers with significantly higher isotacticity (up to 79% mmmm) in comparison to the stereoirregular polymers produced with previously reported Cs-symmetric monometallic analogues. The bimetallic precatalysts also display higher activity (up to 124 kg of poly(1-hexene) (mmol of Zr)-1 h-1), in comparison to the monometallic analogues, and among the highest activities reported for nonmetallocene catalysts. The stereocontrol is consistent with a bimetallic mechanism involving remote steric interactions with the ligand sphere of the second metal center.

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