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bis(phenyl)-[2-(1H-imidazolyl)ethyl]phosphane oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

187332-89-4

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187332-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187332-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,3,3 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 187332-89:
(8*1)+(7*8)+(6*7)+(5*3)+(4*3)+(3*2)+(2*8)+(1*9)=164
164 % 10 = 4
So 187332-89-4 is a valid CAS Registry Number.

187332-89-4Downstream Products

187332-89-4Relevant academic research and scientific papers

Metal-free hydrophosphanation of 1-vinylimidazoles with secondary phosphanes: A straightforward atom-economic route to tertiary phosphanes with imidazolyl substituents

Trofimov, Boris A.,Malysheva, Svetlana F.,Parshina, Lidiya N.,Gusarova, Nina K.,Belogorlova, Nataliya A.

experimental part, p. 94 - 98 (2011/03/20)

Free radical addition (UV irradiation, 2-7 h or AIBN, 65-70 °C, 6-7 h) of secondary phosphanes to 1-vinylimidazole, 2-methyl-1-vinylimidazole, and 1-vinylbenzimidazole proceeds regio-selectively to give the corresponding anti-Markovnikov adducts in 88-98%

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