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847749-28-4

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847749-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 847749-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,7,4 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 847749-28:
(8*8)+(7*4)+(6*7)+(5*7)+(4*4)+(3*9)+(2*2)+(1*8)=224
224 % 10 = 4
So 847749-28-4 is a valid CAS Registry Number.

847749-28-4Downstream Products

847749-28-4Relevant articles and documents

The combination of mononuclear metallocene and phenoxyimine complexes to give trinuclear catalysts for the polymerization of ethylene

G?rl, Christian,Alt, Helmut G.

, p. 5727 - 5753 (2008/03/13)

Trinuclear complexes were synthesized by combination of metallocene and phenoxyimine zirconium complexes. After activation with methylalumoxane (MAO), these catalysts polymerize ethylene with moderate and good activities. Due to the presence of different catalytic centers, polyethylenes with broad or bimodal molecular weight distributions were obtained.

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