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1338925-80-6

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1338925-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1338925-80-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,9,2 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1338925-80:
(9*1)+(8*3)+(7*3)+(6*8)+(5*9)+(4*2)+(3*5)+(2*8)+(1*0)=186
186 % 10 = 6
So 1338925-80-6 is a valid CAS Registry Number.

1338925-80-6Downstream Products

1338925-80-6Relevant articles and documents

Synthesis, characterization and mesomorphic properties of new unsymmetrical azomethine-type liquid crystals derived from 4-biphenyl carboxaldehyde

Iwan, Agnieszka,Janeczek, Henryk,Domanski, Marian,Rannou, Patrice

experimental part, p. 30 - 38 (2010/10/20)

Synthesis, characterization and thermal properties of a series of four azomethines (1)-(4) derived from 4-biphenyl carboxaldehyde were described. The structures of the azomethines were characterized by means FTIR, 1H, 13C NMR spectroscopy and elemental analysis; the results show an agreement with the proposed structure. The methods of differential scanning calorimetry (DSC) and polarizing optical microscopy (POM) were used to describe the liquid-crystalline properties of the azomethines. The mesomorphic properties of the compounds depend on the amine used in the synthesis of imines. In particular, three of them prepared from 4-hexadecylaniline, 4-decylaniline or 4-((4-aminophenyl)diazenyl)-N,N-dimethylbenzenamine (1)-(3) showed smectic A and smectic X mesophases, while the last one obtained from 4-(heptadecafluoroctyl)aniline (4) exhibited SmX2 and nematic mesophases. Current-voltage measurements were performed on ITO/compound/Alq3/Al device with two different thicknesses of the film. Additionally, we compared the mesomorphic behavior of the azomethines presented in this work with another azomethines.

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