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27993-43-7

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27993-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27993-43-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27993-43:
(7*2)+(6*7)+(5*9)+(4*9)+(3*3)+(2*4)+(1*3)=157
157 % 10 = 7
So 27993-43-7 is a valid CAS Registry Number.

27993-43-7Downstream Products

27993-43-7Relevant articles and documents

Photoinduced Remote Functionalisations by Iminyl Radical Promoted C?C and C?H Bond Cleavage Cascades

Dauncey, Elizabeth M.,Morcillo, Sara P.,Douglas, James J.,Sheikh, Nadeem S.,Leonori, Daniele

supporting information, p. 744 - 748 (2017/12/13)

A photoinduced cascade strategy leading to a variety of differentially functionalised nitriles and ketones has been developed. These reactions rely on the oxidative generation of iminyl radicals from simple oximes. Radical transposition by C(sp3)?(sp3) and C(sp3)?H bond cleavage gives access to distal carbon radicals that undergo SH2 functionalisations. These mild, visible-light-mediated procedures can be used for remote fluorination, chlorination, and azidation, and were applied to the modification of bioactive and structurally complex molecules.

Regioselective Arylation of Silyl Enol Ethers of Methyl Ketones with Aryl Bromides

Kuwajima, Isao,Urabe, Hirokazu

, p. 6831 - 6833 (2007/10/02)

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