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3663-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3663-31-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,6 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3663-31:
88 % 10 = 8
So 3663-31-8 is a valid CAS Registry Number.

3663-31-8Relevant articles and documents

Nouveaux diamino-3,4 phenylalcanes et leur transformation en benzimidazolemethanethiols-2

Krati, Noureddine,Roizard, Denis,Brembilla, Alain,Lochon, Pierre

, p. 443 - 448 (2007/10/02)

We report five o-phenylenediamines which are substituted by an aliphatic chain containing n carbon atoms (n = 4, 6, 8, 10, 12).We describe a well adapted general synthetic method using Schmidt's reaction.The diamines were then transformed into 2-benzimidazolemethanethiols and their related S-methyl derivatives which structures were checked by (1)H NMR.

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