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1000190-45-3

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1000190-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1000190-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,1,9 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1000190-45:
(9*1)+(8*0)+(7*0)+(6*0)+(5*1)+(4*9)+(3*0)+(2*4)+(1*5)=63
63 % 10 = 3
So 1000190-45-3 is a valid CAS Registry Number.

1000190-45-3Relevant articles and documents

Cu(ii)Cl2containing bispyridine-based porous organic polymer support preparedviaalkyne-azide cycloaddition as a heterogeneous catalyst for oxidation of various olefins

Choi, Hye Min,Lee, Suk Joong,Yoon, Jongho

, p. 9149 - 9152 (2020)

A new type of porous organic polymer (POP) based heterogeneous catalystCu-POPwas prepared by immobilizing Cu(ii)Cl2into bpy containing POP preparedviaalkyne-azide cycloaddition. This new catalyst showed efficient catalytic activities and outstanding reusability. Remarkably, one batch ofCu-POPwas continuously used for all olefins without losing its activity by simply washing.

Dendrimer-type peptoid-decorated hexaphenylxylenes and tetraphenylmethanes: Synthesis and structure in solution and in the gas phase

Peschko, Katharina,Schade, Alexandra,Vollrath, Sidonie B.L.,Schwarz, Ulrike,Luy, Burkhard,Muhle-Goll, Claudia,Weis, Patrick,Br?se, Stefan

, p. 16273 - 16278 (2014)

Branched organic nanostructures are useful scaffolds that find multiple applications in a variety of fields. Here, we present a novel approach to dendrimer-like structures. Our design contains a rigid hydrocarbon-based core (hexaphenylxylylene/tetraethynylphenylmethane) combined with a library of N-substituted oligoglycines (so-called peptoids) providing a flexible shell. The use of click chemistry allows rapid assembly of the nanostructures. The possibility of tuning the size and the solubility of this new type of nanostructure will be advantageous for future applications such as heterogeneous catalysis.

Electron-Equivalent Valency through Molecularly Well-Defined Multivalent DNA

Cheng, Ho Fung,Wang, Shunzhi,Mirkin, Chad A.

supporting information, p. 1752 - 1757 (2021/02/06)

Oligonucleotide-functionalized nanoparticles (NPs), also known as "programmable atom equivalents"(PAEs), have emerged as a class of versatile building blocks for generating colloidal crystals with tailorable structures and properties. Recent studies have shown that, at small size and low DNA grafting density, PAEs can also behave as "electron equivalents"(EEs), roaming through and stabilizing a complementary PAE sublattice. However, it has been challenging to obtain a detailed understanding of EE-PAE interactions and the underlying colloidal metallicity because there is inherent polydispersity in the number of DNA strands on the surfaces of these NPs; thus, the structural uniformity and tailorability of NP-based EEs are somewhat limited. Herein, we report a strategy for synthesizing colloidal crystals where the EEs are templated by small molecules, instead of NPs, and functionalized with a precise number of DNA strands. When these molecularly precise EEs are assembled with complementary NP-based PAEs, X-ray scattering and electron microscopy reveal the formation of three distinct "metallic"phases. Importantly, we show that the thermal stability of these crystals is dependent on the number of sticky ends per EE, while lattice symmetry is controlled by the number and orientation of EE sticky ends on the PAEs. Taken together, this work introduces the notion that, unlike conventional electrons, EEs that are molecular in origin can have a defined valency that can be used to influence and guide specific phase formation.

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