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3-endo-hydroxy-2-exo-(phenylseleno)-5-endo-carboxybicyclo<2.2.2>octane lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75250-38-3

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75250-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75250-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,5 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75250-38:
(7*7)+(6*5)+(5*2)+(4*5)+(3*0)+(2*3)+(1*8)=123
123 % 10 = 3
So 75250-38-3 is a valid CAS Registry Number.

75250-38-3Relevant academic research and scientific papers

Cyclofunctionalisation of unsaturated acids with benzeneselenenyl chloride. Kinetic and thermodynamic aspects of the rules for ring closure

Clive, Derrick L.J.,Russell, Charles G.,Chittattu, Gim,Singh, Alok

, p. 1399 - 1408 (2007/10/02)

Experimental procedures are described for the synthetically useful reaction by which olefinic acids are converted into lactones carrying a benzeneseleno-group. Data are presented to define some of the mechanistic details of this type of cyclofunctionalisation and kinetic and thermodynamic factors relevant to the Rules for Ring Closure are discussed. A nomenclature is introduced for a treatment of ring-fusion stereochemistry.

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