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100974-85-4

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100974-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100974-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,7 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100974-85:
(8*1)+(7*0)+(6*0)+(5*9)+(4*7)+(3*4)+(2*8)+(1*5)=114
114 % 10 = 4
So 100974-85-4 is a valid CAS Registry Number.

100974-85-4Relevant articles and documents

Smaller than a nanoparticle with the design of discrete polynuclear molecular complexes displaying near-infrared to visible upconversion

Zare, Davood,Suffren, Yan,Gune, Laure,Eliseeva, Svetlana V.,Nozary, Homayoun,Aboshyan-Sorgho, Lilit,Petoud, Stphane,Hauser, Andreas,Piguet, Claude

, p. 2529 - 2540 (2015/02/19)

This work shows that the operation of near-infrared to visible light-upconversion in a discrete molecule is not limited to non-linear optical processes, but may result from superexcitation processes using linear optics. The design of nine-coordinate metallic sites made up of neutral N-heterocyclic donor atoms in kinetically inert dinuclear [GaEr(L1)3]6+ and trinuclear [GaErGa(L2)3]9+ helicates leads to [ErN9] chromophores displaying unprecedented dual visible nanosecond Er(4S3/2→4I15/2) and near-infrared microsecond Er(4I13/2→4I15/2) emissive components. Attempts to induce one ion excited-state absorption (ESA) upconversion upon near-infrared excitation of these complexes failed because of the too-faint Er-centred absorption cross sections. The replacement of the trivalent gallium cation with a photophysically-tailored pseudo-octahedral [CrN6] chromophore working as a sensitizer for trivalent erbium in [CrEr(L1)3]6+ improves the near-infrared excitation efficiency, leading to the observation of a weak energy transfer upconversion (ETU). The connection of a second sensitizer in [CrErCr(L2)3]9+ generates a novel mechanism for upconversion, in which the superexcitation process is based on the CrIII-sensitizers. Two successive Cr→Er energy transfer processes (concerted-ETU) compete with a standard Er-centred ETU, and a gain in upconverted luminescence by a factor larger than statistical values is predicted and observed.

Self-assembly of double and triple helices controlled by metal ion stereochemical preference

Piguet, Claude,Bernardinelli, Gerald,Bocquet, Bernard,Quattropani, Anna,Williams, Alan F.

, p. 7440 - 7451 (2007/10/02)

The syntheses of the dinucleating bisbidentate ligand bis[5-(1-methyl-2-(6′-methyl-2′-pyridyl)benzimidazolyl)]methane (bismbmp, 3) and its mononuclear analogue 6-methyl-2-(1-methylbenzimidazo1-2-yl)pyridine (mbmp, 1) are reported. The ligand mbmp (1) reac

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