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13747-84-7

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13747-84-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13747-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,4 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13747-84:
(7*1)+(6*3)+(5*7)+(4*4)+(3*7)+(2*8)+(1*4)=117
117 % 10 = 7
So 13747-84-7 is a valid CAS Registry Number.

13747-84-7Downstream Products

13747-84-7Relevant articles and documents

2-TOSYLOXYMETHYLCYCLANONES: RING SIZE DEPENDENCE OF FRAGMENTATION VERSUS INTRAMOLECULAR ALKYLATION

Heinz, Uwe,Adams, Elisabeth,Klintz, Ralf,Welzel, Peter

, p. 4217 - 4230 (2007/10/02)

The results reported seem to indicate, that in the presence of a nucleophilic base intramolecular alkylation is the normal reaction mode of tosyloxymethylcyclanones of type 14 and that the fragmentation reaction of five-membered compounds is the exception, probably because of the high steric energy of the alkylation transition states, e.g. of type E.

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