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3,6-di-tert-butyl-9-{(4-tert-butyl-2-methylcyclopenta-1,4-dien-1-yl)[bis(4-chlorophenyl)]methyl}-9H-fluorene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

916991-55-4

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916991-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916991-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,9,9 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 916991-55:
(8*9)+(7*1)+(6*6)+(5*9)+(4*9)+(3*1)+(2*5)+(1*5)=214
214 % 10 = 4
So 916991-55-4 is a valid CAS Registry Number.

916991-55-4Relevant academic research and scientific papers

New C1-symmetric Ph2C-bridged multisubstituted ansa-zirconocenes for highly isospecific propylene polymerization: Synthetic approach via activated fulvenes

Kirillov, Evgeny,Marquet, Nicolas,Razavi, Abbas,Belia, Vincenzo,Hampel, Frank,Roisnel, Thierry,Gladysz, John A.,Carpentier, Jean-Francois

experimental part, p. 5073 - 5082 (2011/01/08)

The synthesis of multisubstituted diphenylmethylene-bridged fluorenyl-cyclopentadienyl proligands Ph2C(3,6-tBu 2FluH)(3-R1-5-R2C5H3) (Flu = fluorenyl; R1 = tert-butyl, R2/s

Carbon-bridged cyclopentadienyl-fluorenyl ligands

-

, (2008/06/13)

The present invention discloses efficient methods for preparing substituted cyclopentadienyl-fluorenyl catalyst components having a mono-carbon bridge.

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