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1,4-Diethynyl-2,5-di-n-butylbenzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

294674-99-0

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294674-99-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 294674-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,4,6,7 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 294674-99:
(8*2)+(7*9)+(6*4)+(5*6)+(4*7)+(3*4)+(2*9)+(1*9)=200
200 % 10 = 0
So 294674-99-0 is a valid CAS Registry Number.

294674-99-0Downstream Products

294674-99-0Relevant academic research and scientific papers

The preparation and some properties of substituted phenylene-ethynylene and phenylenebuta-1,3-diynylene polymers

Pelter, Andrew,Jones, D. Elfyn

, p. 2289 - 2294 (2000)

Syntheses are described for the preparation of a variety of diynes which are converted to high molecular weight substituted arylenebuta-1,3-diynylene polymers by oxidative coupling and to high molecular weight substituted arylene-ethynylene polymers by Pd(II) catalysed cross coupling reactions. The products tend to be insoluble in normal organic solvents. Doping with ferric chloride produces significant changes in conductivity but these are less than those produced on equivalently substituted thienylene-phenylene polymers.

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