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dichloro(η-cyclophetatriene)bis(dimethylphenylphosphine)hafnium is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140231-79-4

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140231-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140231-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,2,3 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 140231-79:
(8*1)+(7*4)+(6*0)+(5*2)+(4*3)+(3*1)+(2*7)+(1*9)=84
84 % 10 = 4
So 140231-79-4 is a valid CAS Registry Number.

140231-79-4Downstream Products

140231-79-4Relevant academic research and scientific papers

Synthesis and Reactions of η-Cycloheptatriene and η-Cycloheptatrienyl Derivatives of Zirconium and Hafnium

Diamond, Gary M.,Green, Malcolm L. H.,Mountford, Philip,Walker, Neil M.,Howard, Judith A. K.

, p. 417 - 422 (1992)

The new compounds (M = Zr, L = PMe3 1; M = Hf, L = PMe3 2; M = Zr, L = PMe2Ph 3; M = Hf, L = PMe2Ph 4; M = Zr, L = PMePh2 5) have been synthesised by reduction of MCl4 using sodium amalgam in the presence of the tertiary phosphine and cyc

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