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109693-05-2

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109693-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109693-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,9 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109693-05:
(8*1)+(7*0)+(6*9)+(5*6)+(4*9)+(3*3)+(2*0)+(1*5)=142
142 % 10 = 2
So 109693-05-2 is a valid CAS Registry Number.

109693-05-2Relevant articles and documents

Aryltrifluoromethylative cyclization of unactivated alkenes by the use of PhICF3Cl under catalyst-free conditions

Guo, Jia,Xu, Cong,Liu, Xiaowei,Wang, Mang

, p. 2162 - 2168 (2019/02/27)

A concise and catalyst-free aryltrifluoromethylative cyclization of unactivated alkenes has been developed herein. The use of PhICF3Cl as a powerful trifluoromethylating agent allows easy transformations. A set of trifluoroethylated carbocycles and aza-hereocycles were efficiently synthesized in good yield and selectivity. A broad substrate scope, mild reaction conditions, and easy operation would make this method well-suited for applications.

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