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263160-71-0

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263160-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263160-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,1,6 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 263160-71:
(8*2)+(7*6)+(6*3)+(5*1)+(4*6)+(3*0)+(2*7)+(1*1)=120
120 % 10 = 0
So 263160-71-0 is a valid CAS Registry Number.

263160-71-0Relevant articles and documents

Coordination cluster analogues of the high-Spin [Mn19] system with functionalized 2,6-Bis(hydroxymethyl)phenol ligands

Mameri, Samir,Ako, Ayuk M.,Yesil, Fatma,Hibert, Marcel,Lan, Yanhua,Anson, Christopher E.,Powell, Annie K.

, p. 4326 - 4334 (2014)

A series of 2,6-bis(hydroxymethyl)-4-R-phenol ligands (H3LR; R = H, F, Cl, Br, I, Ph, NH2, NO2, SMe) have either been newly synthesized or the existing syntheses have been significantly improved to investigate ligand-functionalized analogues of the previously published coordination cluster [MnIII12MnII7(μ4-O)8(μ3-N3)8(HLMe)12(MeCN)6]Cl2·10MeOH·MeCN (1) with S = 83/2. The crystal structures and magnetic properties of three such Mn19 clusters, namely, [MnIII12MnII7(μ4-O)8(HLH)12(μ3-Cl)7(μ3-OMe)(MeOH)6]Cl2·16H2O·10MeOH·MeCN (3), [MnIII12MnII7(μ4-O)8(HLI)12(μ3-N3)8(MeOH)6](O2CH)2·16MeOH·10MeCN (4) and [MnIII12MnII7(μ4-O)8(μ3-Cl)7.7(μ3-OMe)0.3(HLSMe)12(MeOH)6]Cl2·27MeOH (5) are reported and compared to those of the parent cluster. When these ligands are functionalized with substituents of moderate electronegativity, it is possible to synthesize Mn19 analogues; however, when such ligands bear highly electron-donating (amino) or -withdrawing (nitro) substituents, the Mn19 analogues are no longer accessible. The Mn19 cluster framework is both magnetically and structurally robust with respect to the electron-donor/acceptor characteristics of the ligand substituent; therefore, the Mn19 system is an excellent platform for peripheral chemical engineering. The robustness of the inorganic {MnIII12MnII7(μ4-O)8} core of Mn19 systems with variously functionalized encapsulating ligands is demonstrated by the invariance of the record S = 83/2 spin state. Chemical modification aimed towards attaching the molecule to various substrates does not interfere with the electronic structure.

Preparation of functionalised aryl alkynes as precursors to extended cyclophanes

Crisp, Geoffrey T.,Turner, Peter D.

, p. 407 - 415 (2007/10/03)

The preparation of 2,6-substituted arylhalides and triflates is described. These compounds are suitable precursors for cyclophane formation. (C) 2000 Elsevier Science Ltd.

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