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3,5-Di-tert-butyl-4'''-methoxymethoxymethyl-[1,1';4',1'';4'',1''']quaterphenyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

194478-74-5

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194478-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194478-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,4,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 194478-74:
(8*1)+(7*9)+(6*4)+(5*4)+(4*7)+(3*8)+(2*7)+(1*4)=185
185 % 10 = 5
So 194478-74-5 is a valid CAS Registry Number.

194478-74-5Upstream product

194478-74-5Relevant academic research and scientific papers

Synthsis and properties of Oligo-para-phenylene substituted porphyrins

Mikami, Shinji,Sugiura, Ken-Ichi,Sakata, Yoshiteru

, p. 833 - 834 (1997)

A series of oligo-para-phenylene (OPP) substituted new porphyrins was prepared by the combinations of aryl coupling reactions and Lindsey's pyrrole condensation reactions. Low field shifts of OPP protons in 1H-NMR spectra became larger when the protons locate closer to the center of the molecule.

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