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1621419-18-8

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1621419-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1621419-18-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,4,1 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1621419-18:
(9*1)+(8*6)+(7*2)+(6*1)+(5*4)+(4*1)+(3*9)+(2*1)+(1*8)=138
138 % 10 = 8
So 1621419-18-8 is a valid CAS Registry Number.

1621419-18-8Downstream Products

1621419-18-8Relevant articles and documents

C3-symmetrical cyano-substituted triphenylbenzenes for organogels and organic nanoparticles with controllable fluorescence and aggregation-induced emission

Simalou, Oudjaniyobi,Lu, Ran,Xue, Pengchong,Gong, Peng,Zhang, Tierui

, p. 2907 - 2916 (2014/05/20)

Fluorescent organic molecules with C3-symmetry consisting of tris{2-cyano-2-[4-(dodecyloxybenzoylamino)phenyl]-1-ethenyl}phenylbenzene (CN-DBAPPBn, n = 1, 2, 3) were synthesized. It was observed that these compounds can spontaneously self-assemble into organogels in many organic solvents. Scanning electron microscopy (SEM), light microscopy, and fluorescence microscopy images of the air-dried gels showed the presence of either heavily entangled amorphous or fibrous structures, or rods. FTIR, UV/Vis absorption, excitation and emission spectra suggest that π-π interactions and H-bonding are the driving forces for the formation of the gel phases. Moreover, spherical or cubic fluorescent nanoparticles based on CN-DBAPPBn were prepared by using a reprecipitation method in a mixture of tetrahydrofuran and water. It is interesting that aggregation-induced emission behavior of CN-DBAPPBn was detected in both the gel phase and in the nanoparticle suspensions. The fluorescent molecular aggregates of CN-DBAPPBn with different architectures and emission properties fabricated by using these self-assembling methods could find potential applications in sensors and optoelectronic devices.

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