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244049-60-3

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244049-60-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 244049-60-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,0,4 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 244049-60:
(8*2)+(7*4)+(6*4)+(5*0)+(4*4)+(3*9)+(2*6)+(1*0)=123
123 % 10 = 3
So 244049-60-3 is a valid CAS Registry Number.

244049-60-3Relevant articles and documents

Enantioselective catalysis in fluorinated media - Synthesis and properties of chiral perfluoroalkylated (salen)manganese complexes

Pozzi, Gianluca,Cavazzini, Marco,Cinato, Flavio,Montanari, Fernando,Quici, Silvio

, p. 1947 - 1955 (2007/10/03)

Chiral (salen)manganese complexes, which are selectively soluble in perfluorocarbons, were synthesized and tested as epoxidation catalysts in fluorous-organic two-phase systems. The immiscibility of the perfluorocarbons with regular organic solvents allowed a quick and effective separation of the catalyst from the products. These unprecedented perfluoroalkylated salen complexes were found to be efficient and chemoselective catalysts in the presence of several oxygen donors, but enantioselectivities were generally poor. An interesting exception to this behaviour was observed in the asymmetric epoxidation of indene that provides indene oxide with 70-92% enantiomeric excess.

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