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620180-55-4

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620180-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 620180-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,1,8 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 620180-55:
(8*6)+(7*2)+(6*0)+(5*1)+(4*8)+(3*0)+(2*5)+(1*5)=114
114 % 10 = 4
So 620180-55-4 is a valid CAS Registry Number.

620180-55-4Downstream Products

620180-55-4Relevant 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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