Cas 83725-16-0,4-(2-methoxyphenyl)azetidin-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 83725-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,2 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 83725-16:
(7*8)+(6*3)+(5*7)+(4*2)+(3*5)+(2*1)+(1*6)=140
140 % 10 = 0
So 83725-16-0 is a valid CAS Registry Number.

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83725-16-0Relevant articles and documents

An entry to 4-aryl-azetidinones via alkylation of nucleophilic arenes using four-membered acyliminium cations

Zambroń, Bartosz,Masnyk, Marek,Furman, Bart?omiej,Chmielewski, Marek

experimental part, p. 4440 - 4446 (2009/09/30)

The acyliminium cations derived from 4-acyloxy-azetidinones in the presence of Lewis acids can be used to alkylate nucleophilic arenes in both the inter- and intramolecular processes. The former reactions were successfully carried out with p-dimethoxy-ben

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83725-16-0