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439927-43-2

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439927-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 439927-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,9,2 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 439927-43:
(8*4)+(7*3)+(6*9)+(5*9)+(4*2)+(3*7)+(2*4)+(1*3)=192
192 % 10 = 2
So 439927-43-2 is a valid CAS Registry Number.

439927-43-2Downstream Products

439927-43-2Relevant articles and documents

CO2-Triggered Switchable Hydrophilicity of a Heterogeneous Conjugated Polymer Photocatalyst for Enhanced Catalytic Activity in Water

Byun, Jeehye,Huang, Wei,Wang, Di,Li, Run,Zhang, Kai A. I.

supporting information, p. 2967 - 2971 (2018/02/21)

Water compatibility for heterogeneous photocatalysts has been pursued for energy and environmental applications. However, there exists a trade-off between hydrophilicity and recyclability of the photocatalyst. Herein, we report a conjugated polymer photocatalyst with tertiary amine terminals that reversibly binds CO2 in water, thereby generating switchable hydrophilicity. The CO2-assisted hydrophilicity boosted the photocatalytic efficiency in aqueous medium with minimum dosage. When CO2 was desorbed, the photocatalyst could be simply regenerated from reaction media, facilitating the repeated use of photocatalyst. Hydrophilicity/hydrophobicity control of the polymer photocatalyst was successfully showcased through a variety of organic photoredox reactions under visible-light irradiation in water.

Synthesis and characterization of amino-NHC coinage metal complexes and application for C-H activation of caffeine

Huang, Hsuan-Jui,Lee, Wei-Chih,Yap, Glenn P.A.,Ong, Tiow-Gan

, p. 64 - 73 (2014/05/06)

This paper describes the synthesis and characterization of silver, copper and gold complexes supported by several amino-NHC ligands with different amino side arms. The transmetallation process using silver-NHC complexes can be used to prepare amino-NHC copper and gold complexes easily in high yield. In addition, the catalytic activities of copper complexes are examined for arylation of caffeine via C-H bond activation.

Palladium-catalyzed desulfitative C-H arylation of heteroarenes with sodium sulfinates

Liu, Bo,Guo, Qiang,Cheng, Yangyang,Lan, Jingbo,You, Jingsong

supporting information; experimental part, p. 13415 - 13419 (2012/01/03)

Desulfitative C-H arylation: Palladium-catalyzed desulfitative C-H arylation of heteroarenes with sodium sulfinates has been disclosed to construct aryl-heteroaryl bonds without the need for any extra ligands (see scheme). Copyright

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