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dimethyl-bis(2,4,6-tris(trifluoromethyl)-N,N'-bis(trimethylsilyl)benzamidinato)uranium(IV) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139871-82-2

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139871-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139871-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,8,7 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139871-82:
(8*1)+(7*3)+(6*9)+(5*8)+(4*7)+(3*1)+(2*8)+(1*2)=172
172 % 10 = 2
So 139871-82-2 is a valid CAS Registry Number.

139871-82-2Downstream Products

139871-82-2Relevant academic research and scientific papers

Stabilization of Uranium(IV) Alkyls by Bulky Chelating Ligands: Molecular Structure of 3UMe

Wedler, Michael,Knoesel, Friedrich,Edelmann, Frank T.,Behrens, Ulrich

, p. 1313 - 1318 (2007/10/02)

Chelate ligand-stabilized uranium ?-methyl complexes are obtained in good yields by treatment of 3UCl (1) with methyllithium.The molecular structure of 3UMe (3a) has been determined by X-ray crystallography.A long uranium-carbon bond indicates steric crowding in the molecule.Analogously the dimethyluranium complex 2UMe2 (4b) is prepared from 2UCl2 and two equivalents of methyllithium.Reaction of 1 with NaBH4 yields the tetrahydroborates 3UBH4 (5).The strongly temperature-dependent 1H-NMR spectra of the complexes 1 and 3 have been studied in detail.Key Words: Actinides, organo- / Uranium complexes / ?-Alkyl complexes / Chelating ligands / Benzamide ligands

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