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67021-82-3

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67021-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67021-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67021-82:
(7*6)+(6*7)+(5*0)+(4*2)+(3*1)+(2*8)+(1*2)=113
113 % 10 = 3
So 67021-82-3 is a valid CAS Registry Number.

67021-82-3Downstream Products

67021-82-3Relevant articles and documents

PERCARBAMATE DE t-BUTYLE ET SES DERIVES N-ALKYLES, N,N-DIALKYLES ET N-AZACYCLANIQUES: PREPARATION ET THERMOLYSE EN SOLUTION

Buorgeois, M. J.,Campagnole, M.,Filliatre, C.,Maillard, B.,Manigand, C.,et al.

, p. 3569 - 3577 (2007/10/02)

Several tert-butyl percarbamates have been prepared by the reaction of amines with tert-butyl imidazoylpercarboxylate.The thermal decomposition of these peresters in solution led to the characteristic products of homolytic processes.The kinetic study of the thermolysis has been performed by Differential Scanning Microcalorimetry.It showed the influence of the nitrogen atom substitution on the percarbamate stability.The kinetic study of the decompositions of percarbamates derived from cyclic amines showed an important effect of the cycle size on the rate constant.Very different transition state levels are responsible for this phenomenon.A stereoelectronic origin-from the overlapping of the p-orbital of the nitrogen atom and the ? bond of the carboxyl- has been advanced to account for this result.

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