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5,17-di-tert-butyl-11,23-diacryloyl-25,27-bis((3,5-dinitrobenzoyl)oxy)-26,28-dihydroxycalix<4>arene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137258-53-8

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137258-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137258-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,5 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137258-53:
(8*1)+(7*3)+(6*7)+(5*2)+(4*5)+(3*8)+(2*5)+(1*3)=138
138 % 10 = 8
So 137258-53-8 is a valid CAS Registry Number.

137258-53-8Downstream Products

137258-53-8Relevant academic research and scientific papers

Calixarenes. 26. Selective Esterification and Selective Ester Cleavage of Calixarenes

See, Keat Aun,Fronczek, Frank R.,Watson, William H.,Kashyap, Ram P.,Gutsche, C. David

, p. 7256 - 7268 (2007/10/02)

Methods have been developed for converting p-tert-butylcalixarene (1a) in high yield to the 25-monoester 7, the 25,26-diesters 5 and 6, the 25,27-diester 4a, and the 25,26,27-triesters 2 and 3 in which the aryl groups are 3,5-dinitrophenyl moieties.Con

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