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4-[4-(4-Formyl-phenoxycarbonylmethyl)-phenylcarbamoyl]-butyric acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139631-80-4

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139631-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139631-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,3 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139631-80:
(8*1)+(7*3)+(6*9)+(5*6)+(4*3)+(3*1)+(2*8)+(1*0)=144
144 % 10 = 4
So 139631-80-4 is a valid CAS Registry Number.

139631-80-4Relevant academic research and scientific papers

Substituent effects on an antibody-catalyzed hydrolysis of phenyl esters: Further evidence for an acyl-antibody intermediate

Gibbs, Richard A.,Benkovic, Patricia A.,Janda, Kim D.,Lerner, Richard A.,Benkovic, Stephen J.

, p. 3528 - 3534 (2007/10/02)

The hydrolysis of a series of para-substituted phenyl esters (2 and 6a-d) by the monoclonal catalytic antibody NPN43C9 has been investigated. The apparent pKa observed in the kcat/Km-pH profiles shifts from 8.9 (p-nitrophe

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