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ethyl 4-phenyl-3-tosyl-1H-pyrazole-5-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1563174-75-3

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1563174-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1563174-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,3,1,7 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1563174-75:
(9*1)+(8*5)+(7*6)+(6*3)+(5*1)+(4*7)+(3*4)+(2*7)+(1*5)=173
173 % 10 = 3
So 1563174-75-3 is a valid CAS Registry Number.

1563174-75-3Downstream Products

1563174-75-3Relevant academic research and scientific papers

Reactions of vinyl sulfone with α-diazo-β-ketosulfone and Bestmann-Ohira reagent for the regioselective synthesis of highly functionalized pyrazoles

Kumar, Rahul,Nair, Deepa,Namboothiri, Irishi N.N.

, p. 1794 - 1799 (2014/03/21)

The 1,3-dipolar cycloaddition of diazomethylsulfone anion, generated in situ from α-diazo-β-ketosulfone, with vinyl sulfone proceeds in a regioselective manner to provide sulfonylpyrazoles. Similar reaction of diazomethylphosphonate anion, derived from Bestmann-Ohira reagent, with vinyl sulfone leads to phosphonylpyrazoles. The sulfonyl group of vinyl sulfone undergoes chemoselective elimination in these reactions.

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