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92173-66-5

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92173-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92173-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,1,7 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 92173-66:
(7*9)+(6*2)+(5*1)+(4*7)+(3*3)+(2*6)+(1*6)=135
135 % 10 = 5
So 92173-66-5 is a valid CAS Registry Number.

92173-66-5Downstream Products

92173-66-5Relevant articles and documents

Copper-Catalyzed Inter/Intramolecular N-Alkenylation of Benzimidazoles via Tandem Processes Involving Selectively Mild Iodination of sp3 C-H Bond at α-Position of Ester

Lai, Ting-Ting,Xie, Dan,Zhou, Cheng-He,Cai, Gui-Xin

, p. 8806 - 8815 (2016/10/14)

Inter/intramolecular approaches to sp2 C-N bond formation of N-alkenyl benzimidazoles have been accomplished in the presence of an iodide anion associated with a copper catalyst. Both intermolecular and intramolecular reactions included tandem processes, in which selective iodination of sp3 C-H bond at the α-position of ester under mild conditions was demonstrated for the first time. Tandem reactions involving sp3 C-H activation via α-iodo ester intermediate under copper catalysis efficiently provided more than 20 novel azole compounds, and free radicals were not involved in this transformation.

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