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172915-45-6

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172915-45-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172915-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,1 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172915-45:
(8*1)+(7*7)+(6*2)+(5*9)+(4*1)+(3*5)+(2*4)+(1*5)=146
146 % 10 = 6
So 172915-45-6 is a valid CAS Registry Number.

172915-45-6Relevant articles and documents

Synthesis of rhenium complexes that contain the [(C6F5NCH2CH2)3N] 3- ligand

Reid, Steven M.,Neuner, Brigitte,Schrock, Richard R.,Davis, William M.

, p. 4077 - 4089 (2008/10/08)

The reaction between [Et4N]2[ReOCl5] and (C6F5NHCH2CH2)3N (H3[N3NF]) in CH3CN at room temperature in the presence of NEt3 yielded air stable, emerald green, diamagnetic [(C6F5NCH2CH2)2NCH 2CH2NHC6F5]Re(O)Cl (1). The reaction between 1 and Ta(CH-t-Bu)(THF)2Br3 gave paramagnetic [N3NF]ReBr (2). An X-ray structure of a sample of 2 showed it to be analogous to that of [N3NF]MoCl. Reduction of 2 by methyllithium (or more conveniently by Mg) in the presence of a variety of two-electron ligands gave complexes of the type [N3NF]Re(L) (L = H2, ethylene, propylene, CO, N2, phosphines, pyridine, tetrahydrothiophene, acetonitrile, or silanes). An X-ray structure of [N3NF]Re(ethylene) showed η2-ethylene to be bound in the apical "pocket" with its C-C axis lying in one of the Nax- Re-Neq planes. Protonation of the PMe3 complex gave an authentic hydrido phosphine complex, {[N3NF]Re(H)(PMe3)}+, but protonation of other phosphine complexes gave species in which coupling between H and P is relatively large (~60 Hz) and therefore that are believed to have some {[N3NF]Re(η2-HPRxH 3-x)}+ character. An X-ray study of {[N3NF]Re(H)-(PHPh2)}+ confirmed that one proton is terminally bound to phosphorus and that the phosphorus is "off-axis" in order to accommodate the "hydride" in the same plane.

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