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952009-31-3

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952009-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 952009-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,2,0,0 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 952009-31:
(8*9)+(7*5)+(6*2)+(5*0)+(4*0)+(3*9)+(2*3)+(1*1)=153
153 % 10 = 3
So 952009-31-3 is a valid CAS Registry Number.

952009-31-3Relevant articles and documents

γ-halo-enones: A method for their synthesis from arylacyl halides and their application to the preparation of five-membered ring heterocycles

Lin, Mei-Huey,Huang, Yen-Chih,Kuo, Chung-Kai,Tsai, Chang-Hsien,Li, Yi-Syuan,Hu, Ting-Chia,Chuang, Tsung-Hsun

, p. 2751 - 2757 (2014/04/17)

A simple method has been developed for synthesis of γ-halo-enones. The approach employs a sequence involving initial indium-mediated allenylation reactions of phenacyl halides with propargyl bromide. This process is followed by acid-promoted rearrangement reactions of the formed homoallenic halohydrins. The new method can be incorporated into routes for the efficient synthesis of various five-membered heterocyclic compounds.

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