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66784-21-2

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66784-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66784-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,7,8 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66784-21:
(7*6)+(6*6)+(5*7)+(4*8)+(3*4)+(2*2)+(1*1)=162
162 % 10 = 2
So 66784-21-2 is a valid CAS Registry Number.

66784-21-2Downstream Products

66784-21-2Relevant articles and documents

REACTIVITY OF CYCLOOCTENE DERIVED EPISULFONIUM IONS TOWARD NUCLEOPHILES AND THE COURSE OF SULFENYL HALIDE ADDITION TO CYCLOOCTENE

Gybin, A. S.,Smit, W. A.,Krimer, M. Z.,Zefirov, N. S.,Novgorodtseva, L. A.,Sadovaya, N. K.

, p. 1361 - 1366 (2007/10/02)

The reactions of the stable S-methylepisulfonium ions derived from cis-cyclooctene with various nucleophiles were found to proceed mainly as the attack at C atom of episulfonium ring in contrast to the previous data of Helmkamp et al.The course of the RSCl AdE-reaction with cyclooctene under the conditions of increased polarity corresponded to the formation of intermediates closely related to episulfonium ions.Transannular 1,5-hydride shift was observed for the reaction of 2,4-dinitrobensenesulfenyl dervatives with cis-cyclooctene.

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