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500116-51-8

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500116-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500116-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,1,1 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 500116-51:
(8*5)+(7*0)+(6*0)+(5*1)+(4*1)+(3*6)+(2*5)+(1*1)=78
78 % 10 = 8
So 500116-51-8 is a valid CAS Registry Number.

500116-51-8Upstream product

500116-51-8Downstream Products

500116-51-8Relevant articles and documents

Doubly N-confused hexaphyrin: A novel aromatic expanded porphyrin that complexes bis-metals in the core

Srinivasan, Alagar,Ishizuka, Tomoya,Osuka, Atsuhiro,Furuta, Hiroyuki

, p. 878 - 879 (2003)

Meso-hexakis(pentafluorophenyl)-substituted doubly N-confused hexaphyrins and their metal complexes were synthesized for the first time, and the structures were elucidated by X-ray single-crystal analyses. The free base form of oxidized hexaphyrin (5) had two preorganized N3O pockets in the macrocyclic core, where a hydrogen-bonding network was formed to keep the molecule planar (the mean plane deviation is 0.054 A). The formation of a planar bis-Cu(II) complex was confirmed by UV/vis, magnetic susceptibility measurements, and X-ray crystallography. The bis-Ni(II) complex (7), on the other hand, was distored from planarity, but it changed to the planar structure upon solvent (acetonitrile) coordination as judged by the observation of a sharp Soret-like band in absorption spectra and the X-ray structures of the complexes. Copyright

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