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32019-45-7

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32019-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32019-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,0,1 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 32019-45:
(7*3)+(6*2)+(5*0)+(4*1)+(3*9)+(2*4)+(1*5)=77
77 % 10 = 7
So 32019-45-7 is a valid CAS Registry Number.

32019-45-7Downstream Products

32019-45-7Relevant articles and documents

External-oxidant-free amino-benzoyloxylation of unactivated alkenes of unsaturated ketoximes with: O -benzoylhydroxylamines

Chen, Jiangfei,Zhu, Yan-Ping,Li, Jin-Heng,Wang, Qiu-An

, p. 5215 - 5218 (2021)

A new copper-catalyzed two-component amino-benzoyloxylation of unactivated alkenes of unsaturated ketoximes with O-benzoylhydroxylamines as the benzoyloxy sources is developed. Chemoselectivity of this method toward amino-benzoyloxylation or oxy-benzoyloxylation of alkenyl ketoximes relies on the position of the tethered olefins, and provides an external-oxidant-free alkene difunctionalization route that directly utilizes O-benzoylhydroxylamines as the benzoyloxy radical precursors and internal oxidants for the divergent synthesis of cyclic nitrones and isoxazolines.

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