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646488-45-1

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646488-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 646488-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,4,8 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 646488-45:
(8*6)+(7*4)+(6*6)+(5*4)+(4*8)+(3*8)+(2*4)+(1*5)=201
201 % 10 = 1
So 646488-45-1 is a valid CAS Registry Number.

646488-45-1Relevant articles and documents

New water-soluble calix[4]arene-bis(benzocrown-6) for caesium-sodium separation by nanofiltration-complexation

Pellet-Rostaing, Stéphane,Chitry, Frédéric,Spitz, Jean-Alexis,Sorin, Antoine,Favre-Réguillon, Alain,Lemaire, Marc

, p. 10313 - 10324 (2003)

Calix-bis(benzocrown-6) 6 and 7 were converted into the water-soluble receptors 9, 10, 12 and 15 by introducing hydroxy, carboxy, sulfato or diethanolamino groups at the para position of the phenolic ring and/or on the benzo-ether moieties. The complexati

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