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1357515-11-7

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1357515-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1357515-11-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,7,5,1 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1357515-11:
(9*1)+(8*3)+(7*5)+(6*7)+(5*5)+(4*1)+(3*5)+(2*1)+(1*1)=157
157 % 10 = 7
So 1357515-11-7 is a valid CAS Registry Number.

1357515-11-7Downstream Products

1357515-11-7Relevant articles and documents

Synthesis and mesomorphism of novel liquid crystalline: 4-(4-n-alkoxy benzoyloxy)-naphthylazo-4-chlorobenzenes

Chauhan,Doshi

, p. 16 - 23 (2012/05/04)

A new azoester homologous series 4-(4-n-alkoxy benzoyloxy)-naphthylazo-4- chlorobenzenes is synthesized. Its first and second homologues are nonmesomorphic, while the rest of the homologues are mesomorphic, showing enantiotropic nematic behavior. Smectic character is totally absent. An odd-even effect is observed in the nematic-isotropic transition curve with alternation in transition temperatures. The average thermal stability and liquid crystal behavior for the nematic mesophase are compared with structurally similar homologous series. Analytical data support the structures of the molecules. The texture of the nematic mesophase is of threaded type. Transition temperatures are observed through hot-stage polarizing microscope. Analytical data support the structures.

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