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345911-20-8

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345911-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 345911-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,9,1 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 345911-20:
(8*3)+(7*4)+(6*5)+(5*9)+(4*1)+(3*1)+(2*2)+(1*0)=138
138 % 10 = 8
So 345911-20-8 is a valid CAS Registry Number.

345911-20-8Relevant articles and documents

Modifying a composite based on silica molecular sieve and a Ru(II)-based probe with Fe3O4 particles: Construction and oxygen sensing performance

Chen, Lin,Sun, Shuai,Li, Jia,Fang, Zhigang

, p. 24 - 31 (2016)

This paper reported a composite based on silica molecular sieve MCM-41 and a Ru(II)-based probe which was further functionalized with magnetic Fe3O4 so that site-specific guiding could be achieved. A core–shell structure was applied in this composite, with Fe3O4 as core and MCM-41 as shell, respectively. By means of electron microscope images, XRD analysis, IR spectra, N2 adsorption/desorption measurement and thermal degradation analysis, this composite was analyzed and confirmed. Emission monitoring of this composite under various O2 concentrations suggested that its emission was quenchable by O2 through a dynamic mechanism with good stability. Sensitivity of 11.5 and short response time of 10 s were obtained with a linear working plot.

Physical, spectroscopic, and biological properties of ruthenium and osmium photosensitizers bearing diversely substituted 4,4′-di(styryl)-2,2′-bipyridine ligands

Cariou, Kevin,Gasser, Gilles,Karges, Johannes,Tharaud, Micka?l,Vinck, Robin

, p. 14629 - 14639 (2021/11/03)

Capitalising on the previous identification of a distyryl coordinated Ru(ii) polypyridine complex as a promising photosensitizer for photodynamic therapy, eight new complexes were synthesized by modifications of the ligands or by changing the metal coordinated. We report in this work the effects of these modifications on the physical, spectroscopic, and biological properties of the synthesized complexes. Subtle structural modifications of the distyryl ligand only had a moderate effect on the corresponding complexes' visible light absorption and singlet oxygen quantum yield. These modifications however had a significant effect on the lipophilicity, the cellular uptake and the phototoxicity of the complexes. Although the lipophilicity of the complexes had a somewhat expected effect on their cellular uptake, this last parameter could not be directly correlated to their phototoxicity, revealing other underlying phenomena. Overall, this work allowed identification of two promising ruthenium complexes as photosensitisers for photodynamic therapy and provides some guidance on how to design better photosensitizers. This journal is

Time Resolved Ligand Loss: Flash Photolysis and UV–Vis Spectroscopic Studies of cis-[Ru(bpy)2(py)2]2+ Complex

Rahman, Mohammad Aminur

, p. 2341 - 2347 (2021/11/11)

Abstract: A preliminary study on photoinduced ligand loss from [Ru(bpy)2(py)2]2+ has been made. The photolysis of cis-[Ru(bpy)2(py)2]2+ in the presence of trifluoroacetic acid, using broad band, white light excitation, leads to a shift in λmax from 458 nm to 472 nm, consistent with a substitution reaction of the pyridine by THF. A flash photolysis study was also performed to investigate the excited state changes of [Ru(bpy)2(py)2]2+ in THF.

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