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67126-75-4

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67126-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67126-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,2 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67126-75:
(7*6)+(6*7)+(5*1)+(4*2)+(3*6)+(2*7)+(1*5)=134
134 % 10 = 4
So 67126-75-4 is a valid CAS Registry Number.

67126-75-4Relevant articles and documents

Selective CO2 adsorption by a new metal-organic framework: synergy between open metal sites and a charged imidazolinium backbone

Kochetygov, Ilia,Bulut, Safak,Asgari, Mehrdad,Queen, Wendy L.

, p. 10527 - 10535 (2018/08/17)

Metal-organic frameworks (MOFs) are porous, tunable crystalline materials that are attracting widespread scientific attention for their potential use in post-combustion CO2 capture. In this work, we report the synthesis of a new ligand, 1,3-bis(4-carboxyphenyl)-4,5-dihydro-1H-imidazol-3-ium tetrafluoroborate, H2Sp5-BF4, that is subsequently used for the construction of a novel MOF, Cu-Sp5-EtOH. This highly crystalline material has a charged framework that is expected to give rise to high CO2/N2 selectivity. However, the pores of the parent structure could not be accessed due to the presence of strongly coordinated ethanol molecules. After solvent exchange with methanol and subsequently heating Cu-Sp5-MeOH under vacuum, we are able to liberate the solvent providing other small molecules like CO2 access to the inside of the now porous structure, Cu-Sp5. The combination of open metal sites and framework charge leads to an exceptionally high CO2/N2 selectivity, as determined by Ideal Adsorbed Solution Theory (IAST) calculations performed on single-component adsorption isotherms. The CO2/N2 selectivity of Cu-Sp5 reaches a value of over 200 at pressures typically found in post-combustion flue gas (0.15 bar CO2/0.85 bar N2), a value that is among the highest reported to date.

ULTRAVIOLET ABSORBER AND PLASTIC ARTICLE HAVING THE ULTRAVIOLET ABSORBER

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Paragraph 13, (2016/10/10)

This invention discovers UV absorbers and plastic products having the UV absorbers. The UV absorbers have high UV absorption and excellent thermal stability. The plastic products containing the UV absorbers have superior ability to against UV radiation and the durability of the plastic products is thus enhanced.

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