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197632-21-6

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197632-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197632-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,6,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197632-21:
(8*1)+(7*9)+(6*7)+(5*6)+(4*3)+(3*2)+(2*2)+(1*1)=166
166 % 10 = 6
So 197632-21-6 is a valid CAS Registry Number.

197632-21-6Relevant articles and documents

Liquid-crystalline complexes of palladium(II) and platinum(II) with di- and tri-alkoxystilbazoles: Ligand control of mesomorphism

Donnio, Bertrand,Bruce, Duncan W.

, p. 2745 - 2755 (2007/10/03)

Liquid-crystalline complexes of palladium and platinum are formed when the metals are complexed to stilbazoles (4-styrylpyridines) bearing either two or three alkoxy chains. The complexes, termed polycatenar, show smectic C mesophases for most 3,4-disubstituted ligands, while the use of trisubstituted ligands leads to complexes showing columnar organisation, demonstrating that the spatial organisation of the metals in the liquid-crystal mesophase can be rather readily controlled. Complexes of these di- and tri-substituted stilbazoles with a cis-dicarbonylchloroiridium(I) fragment were not liquid crystalline.

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