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55343-77-6

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55343-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55343-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,4 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55343-77:
(7*5)+(6*5)+(5*3)+(4*4)+(3*3)+(2*7)+(1*7)=126
126 % 10 = 6
So 55343-77-6 is a valid CAS Registry Number.

55343-77-6Relevant articles and documents

Phosphine-imidazolyl ligands for the efficient ruthenium-catalyzed hydrogenation of carboxylic esters

Junge, Kathrin,Wendt, Bianca,Westerhaus, Felix Alexander,Spannenberg, Anke,Jiao, Haijun,Beller, Matthias

scheme or table, p. 9011 - 9018 (2012/10/08)

The synthesis of phosphine-imidazolyl ligands 1 and 2 in good yields is presented. In combination with [{Ru(benzene)Cl2}2], ligands 1 c and 1 e formed efficient catalyst systems for the selective hydrogenation of various carboxylic esters into their corresponding primary alcohols. Furthermore, the structures of four ruthenium complexes with ligands 1 b, 1 c, 1 d, and 1 e were determined by X-ray crystallography, which showed the formation of different coordination modes depending on the ligand structure.

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