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138556-68-0

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138556-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138556-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,5 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138556-68:
(8*1)+(7*3)+(6*8)+(5*5)+(4*5)+(3*6)+(2*6)+(1*8)=160
160 % 10 = 0
So 138556-68-0 is a valid CAS Registry Number.

138556-68-0Relevant articles and documents

Synthesis of peroxydicarbonates containing alkyl-aromatic fragments and investigation of their properties

Etlis, I.V.,Fomin, V.A.,Nozrina, F.D.

, p. 2010 - 2015 (2007/10/02)

The reaction of alkyl-substituted benzyl- and naphthylmethyl-chloroformates with Na2O2 or cyclohexyloxyperoxycarbonic acid at 0-5 deg C leads to symmetric and asymmetric peroxydicarbonates.Investigation of the thermolysis kinetics of the peroxides at 50-70 deg C showed that the structure of the organic fragment influences the rate of homolysis of the O-O bond to a great extent.This is characteristic in particular for compounds containing substituents in the ortho-position, where the presence of methyl radicals leads to a decrease in the contribution of the induced dissociation to the overall rate of homolysis of the peroxides obtained

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