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641636-54-6

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641636-54-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 641636-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,1,6,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 641636-54:
(8*6)+(7*4)+(6*1)+(5*6)+(4*3)+(3*6)+(2*5)+(1*4)=156
156 % 10 = 6
So 641636-54-6 is a valid CAS Registry Number.

641636-54-6Relevant articles and documents

Identification of a monoacid-based, cell permeable, selective inhibitor of protein tyrosine phosphatase 1B

Xin, Zhili,Liu, Gang,Abad-Zapatero, Cele,Pei, Zhonghua,Szczepankiewicz, Bruce G.,Li, Xiaofeng,Zhang, Tianyuan,Hutchins, Charles W.,Hajduk, Philip J.,Ballaron, Stephen J.,Stashko, Michael A.,Lubben, Thomas H.,Trevillyan, James M.,Jirousek, Michael R.

, p. 3947 - 3950 (2007/10/03)

Monoacid-based PTP1B inhibitors with improved physiochemical properties have been investigated. A (2-hydroxy-phenoxy) acetic acid-based phosphotyrosyl mimetic has been linked with an optimized second arylphosphate binding site ligand to produce compound 20 with low micromolar potency against PTP1B, good selectivity over TCPTP (20-fold) and high cell permeability in the Caco-2 system.

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