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219679-04-6

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219679-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219679-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,7 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 219679-04:
(8*2)+(7*1)+(6*9)+(5*6)+(4*7)+(3*9)+(2*0)+(1*4)=166
166 % 10 = 6
So 219679-04-6 is a valid CAS Registry Number.

219679-04-6Relevant articles and documents

Studies in Acyl C-H activation via aryl and alkyl to acyl "through space" migration of palladium

Kesharwani, Tanay,Verma, Akhilesh K.,Emrich, Daniel,Ward, Jeffrey A.,Larock, Richard C.

, p. 2591 - 2593 (2009)

Examples of the 1,4-migration of a palladium moiety in aryl- and alkylpalladium intermediates to the acyl position of an aldehyde or formamide have been observed. The resulting acylpalladium intermediate can undergo ester or carbamate formation by reaction with an alcohol; decarbonylation, followed by β hydride elimination to an alkene; reaction with an organomercurial to form an ester; or alkene insertion. Deuterium-labeling studies have been used to confirm the palladium migration mechanism.

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