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178758-43-5

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178758-43-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178758-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,7,5 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178758-43:
(8*1)+(7*7)+(6*8)+(5*7)+(4*5)+(3*8)+(2*4)+(1*3)=195
195 % 10 = 5
So 178758-43-5 is a valid CAS Registry Number.

178758-43-5Relevant articles and documents

Room temperature helical fluids in single-component systems

Shanker,Bindushree,Chaithra,Pratap,Gupta, Ravindra Kumar,Achalkumar,Yelamaggad

, p. 849 - 858 (2019)

Technologically significant chiral nematic (N*) phase is a helicoidal superstructure, that is generally formed by the spontaneous self-assembly of entire chiral mesogens (mostly calamitics) or by the LC mixtures where a chiral dopant is being added to the

Tuning the thermotropic properties of liquid crystalline p-substituted aroylhydrazones

Singh, Hemant Kumar,Singh, Sachin Kumar,Nandi, Rajib,Singh, Madan Kumar,Kumar, Vijay,Singh, Ranjan K.,Rao, D. S. Shankar,Prasad, S. Krishna,Singh, Bachcha

, p. 44274 - 44281 (2015/06/02)

The synthesis and mesomorphic properties of forty substituted aroylhydrazones with peripheral mono-, di- and tri- alkoxy chains derived from a p-amino aroylhydrazone core are described. The compounds with two side chains exhibited a smectic A phase, while the compounds with six soft alkoxy side chains at symmetrical positions formed a rectangular columnar mesophase. The structures of these mesophases were confirmed by differential scanning calorimetry (DSC) analysis, polarized optical microscopy (POM) and powder X-ray diffraction (XRD) studies. Raman studies with the help of density functional theory on some of the mesogenic members have been performed to understand the changes in the intermolecular interactions during phase transitions. A structure-property relationship has been deduced, and mesogenic properties are found to be dependent on the chain length, density and position of the alkoxy chains around the molecular core.

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