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5,11,17,23-Tetracyclohexyl-25,26,27,28-tetrahydroxycalix<4>arene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139934-44-4

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139934-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139934-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,3 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139934-44:
(8*1)+(7*3)+(6*9)+(5*9)+(4*3)+(3*4)+(2*4)+(1*4)=164
164 % 10 = 4
So 139934-44-4 is a valid CAS Registry Number.

139934-44-4Relevant academic research and scientific papers

Structure, derivatisation, and metal complexation of p-cyclohexylcalix[4]arene

Fong, Isabella,Massi, Massimiliano,Mocerino, Mauro,Ogden, Mark I.,Phe, Rene Z. H.,Shen, Chao,Sobolev, Alexandre N.

, (2021/08/13)

Driven by an interest in the impact of the para-substituent of calix[4]arenes on metal complexation and structural chemistry, studies of p-cyclohexylcalix[4]arene (L) have been carried out. The 1:1 dichloromethane and dimethylformamide solvates were found

Extension of the hydrophobic cavity of calix[4]arene by 'upper rim' functionalization

Arduini,Pochini,Rizzi,Sicuri,Ugozzoli,Ungaro

, p. 905 - 912 (2007/10/21)

The hydrophobic cavity of calix[4]arene (1) has been extended by 'upper rim' functionalization with different alkyl groups. Using p-chloromethylcalix[4]arene (2) as the intermediate, the synthesis of ethyl (4) and p-benzylcalix[4]arenes (5 a-c) was performed. By reaction of 1 with cyclohexene p-cyclohexylcalix[4]arene (6) was obtained. The crystal structure of p-ethylcalix[4]arene (4) was solved.

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