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CAS 1179918-36-5

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5-Methyl-1H-pyrazole-4-sulfonyl chloride

Description:
5-Methyl-1H-pyrazole-4-sulfonyl chloride is an organic compound characterized by its pyrazole ring structure, which is a five-membered ring containing two nitrogen atoms. The presence of a sulfonyl chloride group (-SO2Cl) at the 4-position of the pyrazole ring makes it a versatile reagent in organic synthesis, particularly in the formation of sulfonamides and other sulfonyl derivatives. This compound is typically a white to off-white solid and is known for its reactivity, especially in nucleophilic substitution reactions due to the electrophilic nature of the sulfonyl chloride group. It is soluble in polar organic solvents, which facilitates its use in various chemical reactions. Safety precautions are necessary when handling this compound, as it can be corrosive and may release toxic gases upon reaction with water or moisture. Its applications span across medicinal chemistry, agrochemicals, and materials science, making it a valuable intermediate in the synthesis of more complex molecules.
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