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

21674-67-9

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21674-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21674-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,7 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21674-67:
(7*2)+(6*1)+(5*6)+(4*7)+(3*4)+(2*6)+(1*7)=109
109 % 10 = 9
So 21674-67-9 is a valid CAS Registry Number.

21674-67-9Relevant academic research and scientific papers

The trapping of 1,x-biradicals, photochemically produced, with 4- cyanopyridine in neutral and acidic medium

Bernardi, Rosanna,Caronna, Tullio,Mele, Andrea,Morrocchi, Sergio,Ursini, Maurizio

, p. 17 - 23 (1999)

4-Cyanopyridine is able to trap 1,x-biradicals produced by direct photochemical excitation of some ketones, showing in some cases that unaspected species are formed and pyridine producs which are not explainable on the basis of actual knowledge.

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