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19620-62-3

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19620-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19620-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,2 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19620-62:
(7*1)+(6*9)+(5*6)+(4*2)+(3*0)+(2*6)+(1*2)=113
113 % 10 = 3
So 19620-62-3 is a valid CAS Registry Number.

19620-62-3Relevant articles and documents

Sterically Hindered Free Radicals. 18. Stabilization of Free Radicals by Substituents As Studied by Using Triphenylmethyls

Neumann, Wilhelm P.,Penenory, Alicia,Stewen, Ulrich,Lehnig, Manfred

, p. 5845 - 5851 (2007/10/02)

The relative stabilization of 10 4-mono- and 24 4,4'-disubstituted triphenylmethyl radicals 1 has been measured by recording the degree of dissociation of the corresponding quinonoid dimers 2 by means of ESR.The following substituents or combinations of t

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