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5-Hydroxy-3-oxo-2-(triphenyl-λ5-phosphanylidene)-heptanoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

161199-08-2

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161199-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161199-08-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,9 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 161199-08:
(8*1)+(7*6)+(6*1)+(5*1)+(4*9)+(3*9)+(2*0)+(1*8)=132
132 % 10 = 2
So 161199-08-2 is a valid CAS Registry Number.

161199-08-2Downstream Products

161199-08-2Relevant academic research and scientific papers

The Chemistry of Vicinal Tricarbonyls. A New Synthesis of Substituted Furans.

Wasserman, Harry H.,Lee, Gary M.

, p. 9783 - 9786 (2007/10/02)

Enolates of acyl phosphoranylidene carboxylates react with aldehydes to form secondary alcohols which undergo intramolecular addition to the central carbonyl of a vicinal tricarbonyl unit, generated in a separate step.The resulting dihydrofuranols undergo acid-catalyzed dehydration to form 3-hydroxyfuran-2-carboxylates.

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