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1243064-10-9

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1243064-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1243064-10-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,0,6 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1243064-10:
(9*1)+(8*2)+(7*4)+(6*3)+(5*0)+(4*6)+(3*4)+(2*1)+(1*0)=109
109 % 10 = 9
So 1243064-10-9 is a valid CAS Registry Number.

1243064-10-9Downstream Products

1243064-10-9Relevant articles and documents

Rotating benzyl substituent in ansa -bis(indenyl)zirconocenes controls propene polymerization

Puranen, Arto,Linnolahti, Mikko,Piel, Tanja,Elo, Pertti,Mutikainen, Ilpo,Pakkanen, Tapani,Loefgren, Barbro,Aitola, Erkki,Seppaelae, Jukka,Leskelae, Markku,Repo, Timo

experimental part, p. 4018 - 4024 (2011/01/03)

A series of benzyl-substituted, dual-site ansa-metallocenes were synthesized and characterized. Their isolated rac- and meso-diastereomers were studied in propene polymerization after methylaluminoxane or borate activation. Catalysts polymerization behavior were investigated in various polymerization conditions, and produced polypropenes (PPs) were characterized with NMR, GPC, and DSC. The rac- and meso-diastereomers of these unsymmetric catalysts bearing a SiMe2 bridge produced PP with similar activity, tacticity, and molar mass. According to quantum chemical calculations, the benzyl group in the catalysts can rotate, having significant energy minima. The reason that the diastereomers produce PP with similar molar mass is linked to these local energy minima and is further discussed.

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