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24978-42-5

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24978-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24978-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,9,7 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 24978-42:
(7*2)+(6*4)+(5*9)+(4*7)+(3*8)+(2*4)+(1*2)=145
145 % 10 = 5
So 24978-42-5 is a valid CAS Registry Number.

24978-42-5Relevant articles and documents

Copper complexes of 1,4-diazabutadiene ligands: Tuning of metal oxidation state and, application in catalytic C-C and C-N bond formation

Mukherjee, Aparajita,Basu, Semanti,Bhattacharya, Samaresh

, (2019/11/11)

Reaction of 1,4-diazabutadiene (p-RC6H4N = C(H)(H)C = NC6H4R-p; R = OCH3, CH3, H and Cl; abbreviated as L-R) with CuCl2·2H2O in methanol at ambient temperature (25 °C) affords a group of doubly chloro-bridged dicopper complexes of type [{CuI(L-R)Cl}2], designated as 1-R. Similar reaction carried out in acetonitrile furnishes a family of doubly chloro-bridged dicopper complexes of type [{CuII(L-R)Cl2}2], designated as 2-R. Molecular structures of 1-OCH3 and 2-OCH3 have been determined by X-ray crystallography. While copper(I) is having a nearly tetrahedral N2Cl2 coordination sphere in 1-OCH3, the N2Cl3 coordination sphere around copper(II) is distorted square pyramidal in nature in 2-OCH3. Isolated 2-R complexes, on dissolution in methanol, are found to undergo facile reduction of the metal center to generate the corresponding 1-R complexes. The 1-R and 2-R complexes show intense absorptions in the visible and ultraviolet regions. Cyclic voltammetry on the 1-R and 2-R complexes shows both metal-centered and ligand centered redox responses. The 1-R complexes are found to efficiently catalyze C-N cross-coupling reactions between arylboronic acids and aryl amines; while the 2-R complexes display notable catalytic efficiency for nitroaldol reactions.

The formation of dinuclear trichloro-bridged and mononuclear ruthenium complexes from the reactions of dichlorotris(p-tolylphosphine)ruthenium(II) with diazabutadiene ligands

Tay, Meng Guan,Chia, Ying Ying,Kuan, Suzie Hui Chin,Phan, Tze Pei

, (2019/01/04)

Ru(II) complexes with diazabutadiene (R-DAB) ligands have been prepared. The reaction of RuCl3·nH2O with P(p-tolyl)3 gave a [RuCl2{P(p-tolyl)3}] precursor, whose reactions with R-DAB in toluene gave d

A silver complex of N,N′-disubstituted cyclic thiourea as an anti-inflammatory inhibitor of IκB kinase

Lin, Iris Wing-Shan,Lok, Chun-Nam,Yan, Kun,Che, Chi-Ming

supporting information, p. 3297 - 3299 (2013/06/27)

A silver complex of N,N′-disubstituted cyclic thiourea inhibits inflammatory cytokine-stimulated NF-κB activity via IκB kinase inactivation. The Royal Society of Chemistry 2013.

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