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1620212-78-3

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1620212-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620212-78-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,2,1 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1620212-78:
(9*1)+(8*6)+(7*2)+(6*0)+(5*2)+(4*1)+(3*2)+(2*7)+(1*8)=113
113 % 10 = 3
So 1620212-78-3 is a valid CAS Registry Number.

1620212-78-3Relevant articles and documents

Impact of substitution pattern and chain length on the thermotropic properties of alkoxy-substituted triphenyl-tristriazolotriazines

Detert, Heiner,Glang, Stefan,Haspel, Tobias,Lehmann, Matthias,Limbach, Daniel,Rieth, Thorsten,Schupp, Niklas,Sperner, Marcel,Tober, Natalie,Wicker, Philipp

supporting information, (2021/06/14)

Tristriazolotriazines (TTTs) with a threefold alkoxyphenyl substitution were prepared and studied by DSC, polarized optical microscopy (POM) and X-ray scattering. Six pentyloxy chains are sufficient to induce liquid-crystalline behavior in these star-shap

Tetrakis(oxadiazolylphenyl)pyrazines: New St. Andrew′s Cross-Shaped Liquid Crystals

Detert, Heiner,Limbach, Daniel,Marszalek, Tomasz,Pisula, Wojciech,R?der, Nico

, p. 463 - 469 (2019/01/09)

π-Conjugated molecules with the shape of St. Andrew′s cross have been synthesized via fourfold Huisgen reaction. Four 2,5-diaryl-1,3,4-oxadiazol arms are attached to a central pyrazine nucleus. These fluorescent stars, when decorated with a rim of eight alkoxy side chains are discotic liquid crystals. Depending on the substitution pattern, the width of the liquid phase varies within a broad range of 25 °C to 250 °C. In their liquid crystalline phase, the molecules assemble in a typical hexagonal columnar supramolecular arrangement.

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