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1-(phenylethynyl)-2-phenyl-4-ethoxycyclobutene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137469-34-2

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137469-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137469-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,6 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137469-34:
(8*1)+(7*3)+(6*7)+(5*4)+(4*6)+(3*9)+(2*3)+(1*4)=152
152 % 10 = 2
So 137469-34-2 is a valid CAS Registry Number.

137469-34-2Downstream Products

137469-34-2Relevant academic research and scientific papers

Photochemistry of Conjugated Polyacetylenes. Photoreaction of 1,4-Diphenyl-1,3-butadiyne with Unsymmetrical Olefins

Shim, Sang Chul,Lee, Sang Jin,Kwon, Jang Hyuk

, p. 1767 - 1770 (2007/10/02)

Irradiation of 1,4-diphenyl-1,3-butadiyne (DPB) with unsymmetrical olefins such as acrylonitrile and ethyl vinyl ether yields regiospecific 1:1 and 1:2 photoadducts.The reactive site on the formation of 1:2 photoadducts is different from each other indicating that the reaction proceeds through polar excited states.

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