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172738-83-9

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172738-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172738-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,3 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172738-83:
(8*1)+(7*7)+(6*2)+(5*7)+(4*3)+(3*8)+(2*8)+(1*3)=159
159 % 10 = 9
So 172738-83-9 is a valid CAS Registry Number.

172738-83-9Relevant articles and documents

Synthesis and mesomorphic studies of a series of liquid crystalline 2-(4-Alkylphenyl)-6-Methoxyquinolines

Chia, Win-Long,Chang, Chih Hao

experimental part, p. 47 - 55 (2011/06/10)

This study describes the novel synthesis of a homologous series of quinoline-containing liquid crystalline 2-(4-alkylphenyl)-6-methoxyquinolines (nPQOMe, n=4-8) compounds. Preparation of these compounds was completed in the overall two-step reaction and fair to good yields (47-60%) were obtained. Thermotropic behaviors of these liquid crystalline compounds were investigated using differential scanning calorimetry and polarized optical microscopy. Liquid crystals of these 2-(4-alkylphenyl)-6-methoxyquinolines display only nematic phase. Taylor & Francis Group, LLC.

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