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diethyl 2-[(5-tert-butyldimethylsilyloxy-4-oxo-4H-2-pyranyl)methyl]-2-[(2E,RS)-3-p-tolylsulfinyl-2-propenyl]malonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

439077-49-3

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439077-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 439077-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,0,7 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 439077-49:
(8*4)+(7*3)+(6*9)+(5*0)+(4*7)+(3*7)+(2*4)+(1*9)=173
173 % 10 = 3
So 439077-49-3 is a valid CAS Registry Number.

439077-49-3Relevant academic research and scientific papers

A practical route to enantiopure, highly functionalized seven-membered carbocycles and tetrahydrofurans: Concise synthesis of (+)-nemorensic acid

Lopez, Fernando,Castedo, Luis,Mascarenas, Jose L.

, p. 884 - 899 (2007/10/03)

Highly diastereoselective thermal [5C+2C] intramolecular pyrone-alkene cycloadditions can be achieved by introducing a homochiral p-tolylsulfinyl group at a suitable position of the alkene. The resulting adducts can be readily desulfinylated to give optic

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