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842125-22-8

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842125-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 842125-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,2 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 842125-22:
(8*8)+(7*4)+(6*2)+(5*1)+(4*2)+(3*5)+(2*2)+(1*2)=138
138 % 10 = 8
So 842125-22-8 is a valid CAS Registry Number.

842125-22-8Downstream Products

842125-22-8Relevant articles and documents

Ruthenium(II) polypyridyl complexes: Potential precursors, metalloligands, and topo II inhibitors

Sharma, Sanjeev,Singh, Sanjay K.,Pandey, Daya S.

, p. 1179 - 1189 (2008/10/09)

Neutral and cationic mononuclear complexes containing both group 15 and polypyridyl ligands [Ru(κ3-tptz)(PPh3)-Cl 2] [1; tptz = 2,4,6-tris(2-pyridyl)-1,3,5-thazine], [Ru(κ3-tptz)(κ2-dppm)CI]BF4 [2; dppm = bis(diphenylphosphino)-methane], [Ru(κ3-tptz)(PPh 3)(pa)]Cl (3; pa = phenylalanine), [Ru(κ3-tptz) (PPh3)(dtc)]Cl (4; dtc = diethyldithiocarbamate), [Ru(κ3-tptz)(PPh3)(SCN)2] (5) and [Ru(κ3-tptz)(PPh3)(N3)2] (6) have been synthesized. Complex 1 has been used as a metalloligand in the synthesis of homo- and heterodinuclear complexes [Cl2(PPh 3)Ru(μ-tptz)Ru-(η6-C6H 6)Cl]BF4 (7), [Cl2(PPh3)Ru(μ- tptz)Ru(η6-C10H14)Cl]PF6 (8), and [Cl2(PPh3)Ru(μ-tptz)Rh(η5-C 5Me5)Cl]BF4 (9). Complexes 7-9 present examples of homo- and heterodinuclear complexes in which a typical organometallic moiety [(η6-C6H6)RuCl]+, [(η6-C10H14)RuCl]+, or [(η5-C5Me5)RhCl]+ is bonded to a ruthenium(II) polypyridine moiety. The complexes have been fully characterized by elemental analyses, fast-atom-bombardment mass spectroscopy, NMR ( 1H and 31P), and electronic spectral studies. Molecular structures of 1-3, 8, and 9 have been determined by single-crystal X-ray diffraction analyses. Complex 1 functions as a good precursor in the synthesis of other ruthenium-(II) complexes and as a metalloligand. All of the complexes under study exhibit inhibitory effects on the Topoisomerase II-DNA activity of filarial parasite Setaria cervi and β-hematin/hemozoin formation in the presence of Plasmodium yoelii lysate.

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