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2-(2,4-dinitrophenyl)-2H-indazole is a chemical compound with the molecular formula C9H5N5O4. It is a derivative of indazole, a heterocyclic aromatic compound consisting of a benzene ring fused to a pyrazole ring. The 2-position of the indazole ring is substituted with a 2,4-dinitrophenyl group, which consists of a benzene ring bearing two nitro groups at the 2 and 4 positions. 2-(2,4-dinitrophenyl)-2H-indazole is often used in chemical research and as a building block for the synthesis of various pharmaceuticals and agrochemicals. Its properties include a melting point of 195-200°C and it is typically used in a laboratory setting due to its reactivity and potential applications in the development of new compounds with specific biological activities.

13417-38-4

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13417-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13417-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13417-38:
(7*1)+(6*3)+(5*4)+(4*1)+(3*7)+(2*3)+(1*8)=84
84 % 10 = 4
So 13417-38-4 is a valid CAS Registry Number.

13417-38-4Relevant academic research and scientific papers

The reaction of NH-indazoles with 1-fluoro-2,4-dinitrobenzene: The unusual formation of benzotriazole-N-oxides

Alkorta, Ibon,Cossio, Fernando P.,Elguero, Jose,Fresno, Nieves,Hernandez-Folgado, Laura,Garcia-Granda, Santiago,Menendez-Taboada, Laura,Perez-Fernandez, Ruth,Reviriego, Felipe,Vazquez-Vinuela, Lucia

, p. 2384 - 2398 (2013/09/24)

When N-unsubstituted indazoles, like indazole itself, reacted with 1-fluoro-2,4-dinitrobenzene or 1-chloro-2,4,6-trinitrobenzene, three products were obtained whose structures were determined by X-ray diffraction. Besides the two N-substituted nitroaryl derivatives, a third compound was obtained with the same molecular formula (C13H8N4O4) to which was assigned the structure of a derivative of benzotriazole N-oxide. With the combined use of crystallography, NMR and DFT calculations this reaction was studied with special stress on the mechanism of formation of the benzotriazole-N-oxide.

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