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956462-45-6

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956462-45-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 956462-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,6,4,6 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 956462-45:
(8*9)+(7*5)+(6*6)+(5*4)+(4*6)+(3*2)+(2*4)+(1*5)=206
206 % 10 = 6
So 956462-45-6 is a valid CAS Registry Number.

956462-45-6Downstream Products

956462-45-6Relevant articles and documents

Synthesis and photophysics of new donor-acceptor copolymers based on fluorene and phenylquinolines

Siemssen, Brent,Kim, Ki-Won,Kim, Min-Sook,Kim, Byung-Soo,Cho, Seong-Jin,Park, Dong-Kyu,Woo, Hyung-Suk,Kwon, Tae-Woo

, p. 159 - 167 (2007)

The synthesis and photophysics of two new donor-acceptor conjugated A-B type copolymers based on conjugated 2,6-disubstitued-4-phenyl-quinoline and 2-substitued-4-phenyl-quinoline, and 9,9-dialkyl-fluorene linked through the 1,4 and 1,3,5 phenyl rings via the Friedlnder condensation and Suzuki coupling reaction are presented. The band gap energy of the polymers 1 and 2 measured from the thin films were 430nm and 380nm corresponding to 2.88eV and 3.26eV, respectively. The photoluminescence (PL) spectra of the thin films of the polymers 1 and 2 showed maximum peaks at 427 and 397nm corresponding to the deep blue and UV ranges respectively. The red shift of the polymer 1 relative to the polymer 2 can be accounted for by the increased conjugation length because the quinoline unit is oriented to include the phenyl ring in the backbone of polymer 1. Both polymers have similar trends of irreversible oxidation. The ionization energy of polymers 1 and 2 were measured by cyclic voltammetry (CV) and were found to be 5.60 and 5.65eV, respectively.

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