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1-biphenyl-4-yl-pyrrole-2,5-dicarboxylic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857420-95-2

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857420-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857420-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,4,2 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 857420-95:
(8*8)+(7*5)+(6*7)+(5*4)+(4*2)+(3*0)+(2*9)+(1*5)=192
192 % 10 = 2
So 857420-95-2 is a valid CAS Registry Number.

857420-95-2Downstream Products

857420-95-2Relevant academic research and scientific papers

1-Phenyl-1H-pyrrole-2,5-dicarboxylic acid derivatives as versatile hydrogen-bonding motifs for the formation of one-, two- and three-dimensional networks in the solid state

Lin, Qing,Geib, Steven J.,Hamilton, Andrew D.

, p. 2109 - 2116 (1998)

A series of 1-phenyl-1H-pyrrole-2,5-dicarboxylic acid derivatives were prepared and their solid state structures were investigated. Small structural changes in the monomeric subunit can lead to the formation of one-dimensional linear ribbons, two-dimensional sheets and three-dimensional networks. In each case a consistent feature of the solid state structures is the formation of bidentate hydrogen bonded contacts between the 2,5-carboxylic acid groups on adjacent pyrrole subunits. The exact nature of the crystal packing is strongly influenced by the substitution on the phenyl ring.

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