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5-(4-methoxy-phenyl)-3-oxo-pent-4-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42996-89-4

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42996-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42996-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,9 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42996-89:
(7*4)+(6*2)+(5*9)+(4*9)+(3*6)+(2*8)+(1*9)=164
164 % 10 = 4
So 42996-89-4 is a valid CAS Registry Number.

42996-89-4Downstream Products

42996-89-4Relevant academic research and scientific papers

Candida Rugosa lipase-catalyzed kinetic resolution of β-hydroxy- β-arylpropionates and δ-hydroxy-δ-aryl-β-oxo-pentanoates

Xu, Chengfu,Yuan, Chengye

, p. 2169 - 2186 (2007/10/03)

A simple and convenient method was reported for the preparation of optically active β-hydroxy-β-arylpropionates, δ-hydroxy-δ- aryl-β-oxo-pentanoates and their butyryl derivatives via CRL-catalyzed hydrolysis. The optically active products are potential precursors of some chiral pharmaceuticals and natural products.

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