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3-Ethyl-5-phenyl-isothiazole is an organic compound with the chemical formula C11H11NS. It is a derivative of the isothiazole class, which is a heterocyclic compound containing a sulfur atom and a nitrogen atom in its structure. This particular compound features an ethyl group (C2H5) attached to the 3rd position and a phenyl group (C6H5) attached to the 5th position of the isothiazole ring. 3-Ethyl-5-phenyl-isothiazole is known for its potential applications in the synthesis of various pharmaceuticals, agrochemicals, and other chemical compounds due to its unique structure and properties. It is typically synthesized through various chemical reactions, such as the condensation of appropriate precursors, and can be used as a building block in the development of new molecules with specific therapeutic or functional properties.

1732-49-6

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1732-49-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1732-49-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,3 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1732-49:
(6*1)+(5*7)+(4*3)+(3*2)+(2*4)+(1*9)=76
76 % 10 = 6
So 1732-49-6 is a valid CAS Registry Number.

1732-49-6Relevant academic research and scientific papers

Comparative Reactivity of 3-Methyl-5-phenylisoxazole and 3-Methyl-5-Phenylisothiazole Against Electrophilic Compounds

Alberola, Angel,Calvo, Luis,Rodriguez, M. Teresa Rodriguez,Sanudo, M. Carmen

, p. 537 - 542 (2007/10/02)

A comparative study of reactions of 3-methyl-5-phenylisoxazole and 3-methyl-5-phenylisothiazole with electrophilic compounds in the presence of n-BuLi, LICA or LICA-TMEDA is reported.By using LICA-TMEDA, regioselective reactions of heterocyclic compounds at the C-3 methyl group are obtained.With n-BuLi or LICA and the isoxazole derivative a product mixture at the C-4 position and the C-3 methyl group is found.In the case of isothiazole compound, only with methyl iodide and n-BuLi, the dialkylated product at both positions is formed.

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