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508209-71-0

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508209-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 508209-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,8,2,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 508209-71:
(8*5)+(7*0)+(6*8)+(5*2)+(4*0)+(3*9)+(2*7)+(1*1)=140
140 % 10 = 0
So 508209-71-0 is a valid CAS Registry Number.

508209-71-0Relevant articles and documents

Synthesis of a Sialyl LewisX mimetic conjugated with DTPA, potential ligand of new contrast agents for medical imaging

Fu, Yanjun,Laurent, Sophie,Muller, Robert N.

, p. 3966 - 3973 (2007/10/03)

The structure of a mimetic of sialyl LewisX, namely 3-[2-(α-D-mannopyranosyloxy)phenyl]phenylacetic acid, was coupled to diethylenetriaminepentaacetic acid (DTPA) via a flexible alkyl spacer and the amide linkage. The overall yield of the eleven-step synthesis starting from 3-bromophenylacetic acid was 4-8%. This new ligand is expected to target inflammation sites through specific interactions with selectins, the adhesion molecules expressed on the vascular endothelium in pathological conditions. In particular, complexation of the DTPA moiety with gadolinium or radionuclides could produce contrast agents for medical imaging. Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.

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