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182293-90-9

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182293-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 182293-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,2,9 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 182293-90:
(8*1)+(7*8)+(6*2)+(5*2)+(4*9)+(3*3)+(2*9)+(1*0)=149
149 % 10 = 9
So 182293-90-9 is a valid CAS Registry Number.

182293-90-9Relevant articles and documents

Synthesis and Characterization of Oligo(2,7-biphenylenylene-(E)-vinylene)s: Conjugated Oligomers Containing Antiaromatic 12-π Electron Units

Kwong, Chi-Yuen,Chan, Tze-Lock,Chow, Hak-Fun,Lin, Shi-Chun,Leung, Man-Kit

, p. 211 - 224 (2007/10/03)

The syntheses and the electionic properties of oligo(2,7-biphenylenylene-(E)-vinylene)s are reported. According to our spectral analysis, a limit of 2.5 ev for the peak band-gap of poly(2,7-biphenylenylene-(E)-vinylene)s is estimated. In addition, we discovered that oligo(2,7-biphenylenylene-(E)-vinylene)s are amphoteric and can be either oxidized or reduced electrochemically.

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