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124318-69-0

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124318-69-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124318-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,3,1 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124318-69:
(8*1)+(7*2)+(6*4)+(5*3)+(4*1)+(3*8)+(2*6)+(1*9)=110
110 % 10 = 0
So 124318-69-0 is a valid CAS Registry Number.

124318-69-0Relevant articles and documents

Towards allosteric receptors synthesis of β-cyclodextrin- functionalised 2,2'-bipyridines and their metal complexes

Kremer, Christopher,Schnakenburg, Gregor,Lutzen, Arne

, p. 814 - 824 (2014)

Herein, we present three new 2,2'-bipyridines that carry two β-cyclodextrin moieties in different substitution patterns. When coordinated by zinc(II) or copper(I) ions (or their complexes), these compounds undergo conformational changes and switch between

A facile route to Aryl-substituted 1,10-phenanthrolines by means of Suzuki coupling reactions between substituted areneboronic acids and halogeno-1,10-phenanthrolines

Luening, Ulrich,Abbass, Michael,Fahrenkrug, Frank

, p. 3294 - 3303 (2007/10/03)

Twelve new mono- or diaryl-substituted 1,10-phenanthrolines (17 and 18) have been synthesized. The key step is a Suzuki coupling reaction between the substituted areneboronic acids 6, 11, and 15 and the mono- and dihalo-1,10-phenanthrolines 16. The syntheses of bis-ortho-substituted boronic acids 6, 11, and 15 from substituted arenes 5 or substituted bromoarenes 10 and 14 by lithiation and subsequent treatment with trimethyl borate is described. Not only 2,9-diiodo- (16c) but also 2,9-dichloro-1,10-phenanthroline (16b) can be used with good yields (65-92%) in the described Suzuki coupling. For the syntheses of unsymmetrically substituted 1,10-phenanthrolines 18b, 18i, and 18j, the use of 2- chloro-9-iodo-1,10-phenanthroline is not necessary; two different bis-ortho-substituted arene rings can be introduced stepwise in 46 to 64% total yield. ( Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).

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