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CAS 88398-93-0

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5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chloride

Description:
5-Chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chloride is a chemical compound characterized by its sulfonyl chloride functional group, which is known for its reactivity and utility in organic synthesis. This compound features a pyrazole ring, a five-membered heterocyclic structure containing two nitrogen atoms, contributing to its unique chemical properties. The presence of the chloro substituent enhances its electrophilicity, making it a valuable intermediate in the synthesis of various pharmaceuticals and agrochemicals. The sulfonyl chloride group is particularly reactive, allowing for the introduction of sulfonamide functionalities in target molecules. This compound is typically handled with care due to its potential to release toxic gases upon hydrolysis and its corrosive nature. It is often used in reactions involving nucleophiles, such as amines and alcohols, to form sulfonamides or sulfonate esters. Overall, 5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chloride is a versatile reagent in synthetic organic chemistry, valued for its ability to facilitate the formation of complex molecular architectures.
Formula:C5H6Cl2N2O2S
InChI:InChI=1/C5H6Cl2N2O2S/c1-3-4(12(7,10)11)5(6)9(2)8-3/h1-2H3
SMILES:Cc1c(c(Cl)n(C)n1)S(=O)(=O)Cl
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