Cas 87712-33-2,Pentanoic acid, 2-[(methylphenylamino)sulfonyl]-

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Check Digit Verification of cas no

The CAS Registry Mumber 87712-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,1 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87712-33:
(7*8)+(6*7)+(5*7)+(4*1)+(3*2)+(2*3)+(1*3)=152
152 % 10 = 2
So 87712-33-2 is a valid CAS Registry Number.

87712-33-2Upstream product

87712-30-9 ethylcarboxy-N-methyl-N-phenyl-1-methanesulfonamide

87712-33-2Downstream Products

87712-33-2Relevant academic research and scientific papers

The Thorpe-Ingold Effect in the Intramolecular Carboxyl-Catalyzed Hydrolysis of Sulfonamides

Jager, Jan,Graafland, Teun,Schenk, Henk,Kirby, Anthony J.,Engberts, Jan B. F. N.

, p. 139 - 143 (2007/10/02)

Rate constants and thermodynamic activation parameters have been determined for the intramolecular carboxyl-catalyzed hydrolysis of a series of 1-mono- and 1,1-disubstituted carboxy-N-methyl-N-phenylmethanesulfonamides 1-10.Alkyl and gem-dialkyl substitue

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