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115878-99-4

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115878-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115878-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,8,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 115878-99:
(8*1)+(7*1)+(6*5)+(5*8)+(4*7)+(3*8)+(2*9)+(1*9)=164
164 % 10 = 4
So 115878-99-4 is a valid CAS Registry Number.

115878-99-4Relevant articles and documents

NEW CHIRONS FOR THE SYNTHESIS OF FLUORINE-CONTAINING COMPOUNDS. AN EFFICIENT ENTRANCE TO α-MONO- AND POLY-FLUORO KETONES HAVING A CHIRAL α'-SULPHINYL SUBSTITUENT

Bravo, Pierfrancesco,Piovosi, Elena,Resnati, Giuseppe,Munari, Sergio De

, p. 115 - 122 (2007/10/02)

The lithium derivatives of optically pure alkyl p-tolyl sulphoxides, having both the R and S absolute configurations at the sulphur atom, have been condensed with the esters of mono- and poly-fluorocarboxylic acids to give several mono- and poly-fluoro ketones with a chiral sulphinyl substituent.The compounds having an alkyl residue on the α or α' position of the ketone group have also been obtained through alkylation of the di-, or mono-anion of the unsubstituted terms.Products chiral only at the sulphur atom, at the sulphur and the fluorinated carbon atom, or at the sulphur and the sulphinyl-substituted carbon have been obtained as single pure enantiomers.

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