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80588-40-5

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80588-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80588-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,8 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80588-40:
(7*8)+(6*0)+(5*5)+(4*8)+(3*8)+(2*4)+(1*0)=145
145 % 10 = 5
So 80588-40-5 is a valid CAS Registry Number.

80588-40-5Relevant articles and documents

POLYFLUORO-ARYL CONTAINING N-ANIONS AND THE 1H AND 19F NMR SPECTRA OF THEIR SALTS

Vlasov, V. M.,Yakobson, G. G.

, p. 1955 - 1963 (2007/10/02)

The salts of N-anions of types Na and Na were generated by the reaction of sodium hydride with polyfluoroaryl-containing NH acids (polyfluoroaryl- and diarylamines, polyfluorobenzanilides, polyfluoroacetanilides) in 1,2-dimethoxyethane.Satisfactory linear correlations are observed between the parameters of the 1H and 19F NMR spectra of solutions of the salts of the N anions and NH acids and also the ? constants of the substituents R.From comparison of the chemical shifts of the para-fluorine atom in the salts of the ambient N-anions and the structurally similar enolate anions it follows that the increase in the interaction of the C6F5 group with negative charge in the ? system in the N-anions is due to the greater localization of charge on the nitrogen atom in the latter than on the carbon atom in the enolate anions.

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