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58966-87-3

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58966-87-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58966-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,6 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 58966-87:
(7*5)+(6*8)+(5*9)+(4*6)+(3*6)+(2*8)+(1*7)=193
193 % 10 = 3
So 58966-87-3 is a valid CAS Registry Number.

58966-87-3Upstream product

58966-87-3Downstream Products

58966-87-3Relevant articles and documents

INTRAMOLECULAR N- AND O-IMIDOYLATION OF THE CARBOXAMIDE GROUP

Mazurkiewicz, Roman

, p. 115 - 125 (2007/10/02)

N,N'-Disubstituted diamides of dicarboxylic acids have been found to react with Ph3PBr2 to form intramolecular N-imidoylation products (5- or 6-iminolactams); only from N,N'-diphenylmaleamide the O-imidoylation product (N,N'-diphenylmaleimidic anhydride 6) was obtained.The imidic anhydride 6 in CH2Cl2 solution, in the presence of HBr undergoes a rearrangement to the respective iminolactam.Possible mechanisms of these reactions are discussed.Both the 13C NMR and 1H NMR spectra indicated the presence of Z,Z and Z,E-isomers in the imidic anhydride 6.

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