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80155-20-0

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80155-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80155-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,5 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80155-20:
(7*8)+(6*0)+(5*1)+(4*5)+(3*5)+(2*2)+(1*0)=100
100 % 10 = 0
So 80155-20-0 is a valid CAS Registry Number.

80155-20-0Relevant articles and documents

Liquid-crystalline polymorphism of symmetrical azobananas: Bis(4-(4-alkylphenyl)azophenyl) 2-nitroisophtalates

Zygadlo,Dardas,Nowicka,Hofmann,Galewski

, p. 283 - 291 (2011/08/02)

In this paper we present a series of novel compounds, bis(4-(4-alkylphenyl) azophenyl) 2-nitroisophtalates, which exhibit nematic and banana-type liquidcrystalline phases. The alkyl chain length varies from 1 to 18 carbons. The first ten members of this series exhibit nematic phase. The last eleven compounds exhibit banana-type liquid crystalline phases. The propyl and pentyl derivatives have extra second type of banana mesophase. Copyright Taylor & Francis Group, LLC.

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