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40474-31-5

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40474-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40474-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,7 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40474-31:
(7*4)+(6*0)+(5*4)+(4*7)+(3*4)+(2*3)+(1*1)=95
95 % 10 = 5
So 40474-31-5 is a valid CAS Registry Number.

40474-31-5Relevant articles and documents

Reactions of polyfluorinated 2,5-cyclohexadienones at the carbonyl group

Kovtonyuk,Kobrina

, p. 1688 - 1691 (1996)

Perfluoro-4-phenoxy-2,5-cyclohexadienone reacts with phenyl- and pentafluorophenylhydrazines to give products of nucleophilic substitution of the fluorine atom at the double bond, 3-arylazotetrafluorophenols. In the presence of aluminum chloride, the reac

Formation of polyfluorinated azobenzenes and azophenols in the reactions of chloropentafluoro-cyclohexa-2,5- and -2,4-dienones with phenyl- and pentafluorophenylhydrazines

Kovtonyuk

, p. 29 - 34 (2014/03/21)

4-Chloropentafluorocyclohexa-2,5-dienone reacted with phenyl- and pentafluorophenylhydrazines in the presence of AlCl3 via addition to the carbonyl group with formation of the corresponding azobenzenes. The reaction of 6-chloropentafluorocycloh

PREPARATION AND PHOTOCHEMICAL BEHAVIOUR OF 2,3,4,5,6-PENTAFLUOROPHENYLAZO-BENZENE AND -4'-METHOXYBENZENE

Crogan, Catherine,Fields, Roy,Pratt, Albert C.,Saleem, Layla M. N.,Dawson, Peter E.

, p. 61 - 72 (2007/10/02)

Pentafluoronitrosobenzene reacts readily with aniline and with p-methoxyaniline to give the corresponding 2,3,4,5,6-pentafluoroazobenzenes (1a and 1b) in good yield.Minor components detected by n.m.r. spectroscopy in the analitically pure products are sho

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