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9,9′-dihexyl-9H,9′H-3,3′-bicarbazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188032-51-1

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188032-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188032-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,0,3 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 188032-51:
(8*1)+(7*8)+(6*8)+(5*0)+(4*3)+(3*2)+(2*5)+(1*1)=141
141 % 10 = 1
So 188032-51-1 is a valid CAS Registry Number.

188032-51-1Upstream product

188032-51-1Downstream Products

188032-51-1Relevant articles and documents

Oxidative Coupling of Carbazoles: A Substituent-Governed Regioselectivity Profile

Mallick, Sudesh,Maddala, Sudhakar,Kollimalayan, Kalidass,Venkatakrishnan, Parthasarathy

, p. 73 - 93 (2019)

Oxidative C-C coupling of carbazoles possessing various substituents is demonstrated in the presence of organic (metal-free) recyclable oxidants, such as DDQ or CA/H+, for accessing bicarbazole regioisomers. Differently substituted carbazoles are examined to showcase regioselective discrimination (3,3′-versus 1,3′-bicarbazoles) and preferences based on sterics and electronics in oxidative coupling. Finally, a mechanism that involves the carbazole radical cation has been traced (evidenced) and proposed on the basis of the UV-vis-NIR absorption and EPR spectroscopy results. This study underlines the strategic chemical preparation of a series of bicarbazoles in an efficient manner.

The synthesis and optical properties of benzothiazole-based derivatives with various π-electron donors as novel bipolar fluorescent compounds

Wang, Haiying,Chen, Gang,Xu, Xiaoping,Chen, Hua,Ji, Shunjun

experimental part, p. 238 - 248 (2010/11/16)

Novel bipolar benzothiazole-based derivatives with various π-electron donors were synthesized and characterized using 1H and 13C NMR and mass spectrometry; their thermal, optical and electrochemical properties were also investigated. Optoelectronic properties are reported and discussed in terms of the distribution of the highest occupied molecular orbital and the lowest unoccupied molecular orbital and the conjugative pathway between the electron-donating moieties and electron-accepting moieties. The compounds exhibited high fluorescence quantum yield, desirable HOMO levels and high thermal stability. Quantum chemical calculations were used to study optimized ground-state geometry as well as spatial distributions of HOMO and LUMO levels of the compounds.

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