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3-Butenoic acid, 4-(2,4-dichlorophenyl)-2-oxo-, methyl ester, (3E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42393-12-4

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42393-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42393-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,9 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42393-12:
(7*4)+(6*2)+(5*3)+(4*9)+(3*3)+(2*1)+(1*2)=104
104 % 10 = 4
So 42393-12-4 is a valid CAS Registry Number.

42393-12-4Upstream product

42393-12-4Relevant academic research and scientific papers

Deracemisation of aryl substituted α-hydroxy esters using Candida parapsilosis ATCC 7330: Effect of substrate structure and mechanism

Baskar,Pandian,Priya,Chadha, Anju

, p. 12296 - 12306 (2007/10/03)

Candida parapsilosis ATCC 7330 was found to be an efficient biocatalyst for the deracemisation of aryl α-hydroxy esters (65-85% yield and 90-99% ee). A variety of aryl and aryl substituted α-hydroxy esters were synthesized to reflect steric and electronic effects on biocatalytic deracemisation. The mechanism of this biocatalytic deracemisation was found to be stereoinversion.

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