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157472-72-5

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157472-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157472-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,7 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 157472-72:
(8*1)+(7*5)+(6*7)+(5*4)+(4*7)+(3*2)+(2*7)+(1*2)=155
155 % 10 = 5
So 157472-72-5 is a valid CAS Registry Number.

157472-72-5Downstream Products

157472-72-5Relevant articles and documents

Dinuclear diphosphine-bridged complexes of rhodium, iridium, and ruthenium: Synthesis and structure

Keim, Willi,Kraneburg, Peter,Dahmen, Georg,Deckers, Gregor,Englert, Ulli,Linn, Klaus,Spaniol, Thomas P.,Raabe, Gerhard,Krüger, Carl

, p. 3085 - 3094 (2008/10/08)

The syntheses of 25 new dinuclear diphosphine-bridged complexes of rhodium, iridium, and ruthenium with the general formula (ηn-aryl)MCl2R2P(CxH y)nPR2M(ηn-aryl) are reported (ηn-aryl = η5-C5Me5 (Cp*), η6-C6Me6 (hmb)). These complexes are examples of a rare class of compounds. To establish whether a metal-metal interaction exists, X-ray structure analyses for the following compounds were carried out: (Cp*IrCl2)2 (μ-dmpe) (1), (Cp*RhCl2)2(μ-dmpe) (2), [(η6-C6Me6)RuCl2]2 (μ-dmpe) (3), (Cp*IrCl2)2(μ-dmpm) (4), (Cp*IrCl2)2(μ-dmpbe) (7), and [(η6-C6Me6)RuCl2] 2(μ-dmph) (23). A metal-metal interaction in the solid state can be ruled out. Also, the following hydrido complexes have been synthesized: [Cp*Ir(H)2]2-(μ-dmpe) (24) and [(η6-C6Me6)Ru(H)2] 2(μ-dmpe) (25). The main purpose for the syntheses of these types of complexes is the search for new routes of CH activation, the results of which will be reported in a forthcoming paper.

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