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922721-28-6

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922721-28-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 922721-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,2,7,2 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 922721-28:
(8*9)+(7*2)+(6*2)+(5*7)+(4*2)+(3*1)+(2*2)+(1*8)=156
156 % 10 = 6
So 922721-28-6 is a valid CAS Registry Number.

922721-28-6Relevant articles and documents

A highly efficient and aerobic protocol for the synthesis of N-heteroaryl substituted 9-arylcarbazolyl derivatives via a palladium-catalyzed ligand-free Suzuki reaction

Rao, Xiaofeng,Liu, Chun,Qiu, Jieshan,Jin, Zilin

supporting information, p. 7875 - 7883 (2013/06/27)

A palladium-catalyzed aerobic and ligand-free Suzuki reaction in aqueous ethanol has been developed for the synthesis of N-heteroaryl substituted 9-arylcarbazolyl derivatives. A number of N-heteroaryl halides, namely 2-halogenated pyridines, 2-bromoquinoline, 5-bromopyrimidine and 2-chloropyrazine, were coupled with 4-(9H-carbazol-9-yl)phenylboronic acid (CPBA) or 9-phenyl-9H-carbazol-3-ylboronic acid (PCBA) efficiently to afford good to excellent yields in a short reaction time. Moreover, the catalytic system of Pd(OAc)2-EtOH/H2O-K2CO3 was successfully extended to the cross-couplings of N-heteroaryl halides with various arylboronic acids. The results demonstrated that the cross-coupling reaction in the present protocol was promoted by oxygen.

Multifunctional iridium complexes based on carbazole modules as highly efficient electrophosphors

Wong, Wai-Yeung,Ho, Cheuk-Lam,Gao, Zhi-Qiang,Mi, Bao-Xiu,Chen, Chin-Hsin,Cheah, Kok-Wai,Lin, Zhenyang

, p. 7800 - 7803 (2007/10/03)

(Figure Presented) Getting the green light: Highly efficient organic light-emitting diodes (OLEDs) have been synthesized from robust green-electrophosphorescent IrIII complexes based on carbazole derivatives (see picture, HT = hole transporting, EL = electroluminescence). The combination of short triplet lifetime, high emission efficiency, and improved charge-transporting properties allows these OLEDs to achieve peak efficiencies of 12% photons per electron and 38 cd A-1.

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