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5,11-dibromo-27,28-diallyloxy-25,26-dibenzyloxycalix[4]arene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

507235-75-8

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507235-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 507235-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,7,2,3 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 507235-75:
(8*5)+(7*0)+(6*7)+(5*2)+(4*3)+(3*5)+(2*7)+(1*5)=138
138 % 10 = 8
So 507235-75-8 is a valid CAS Registry Number.

507235-75-8Relevant academic research and scientific papers

Selective synthesis and isolation of all possible conformational isomers of proximally para-disubstituted calix[4]arene

Shimizu, Shoichi,Moriyama, Akihiro,Kito, Katsuyuki,Sasaki, Yasuyuki

, p. 2187 - 2194 (2007/10/03)

All six possible conformational isomers of the proximally p-dibrominated calix[4]arene tetraalkyl ether, 1a-f*, were selectively synthesized by appropriate control of stereochemistry during di-O-alkylation reactions of 5,11-dibromocalix[4]arene syn-dialky

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