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CAS 18336-39-5

:

4-(1H-pyrazol-1-yl)benzenesulfonyl chloride

Description:
4-(1H-pyrazol-1-yl)benzenesulfonyl chloride, with the CAS number 18336-39-5, is an organic compound characterized by the presence of a sulfonyl chloride functional group attached to a benzene ring, which is further substituted with a pyrazole moiety. This compound typically appears as a white to off-white solid and is known for its reactivity due to the sulfonyl chloride group, making it a useful intermediate in organic synthesis, particularly in the preparation of sulfonamides and other sulfonyl derivatives. It is soluble in polar organic solvents, such as dichloromethane and acetone, but is generally insoluble in water. The presence of the pyrazole ring contributes to its potential biological activity, making it of interest in medicinal chemistry. As with many sulfonyl chlorides, it can release hydrochloric acid upon hydrolysis, necessitating careful handling and storage under anhydrous conditions to prevent degradation. Safety precautions should be taken due to its corrosive nature and potential to cause irritation upon contact with skin or mucous membranes.
Formula:C9H7ClN2O2S
InChI:InChI=1/C9H7ClN2O2S/c10-15(13,14)9-4-2-8(3-5-9)12-7-1-6-11-12/h1-7H
SMILES:c1cnn(c1)c1ccc(cc1)S(=O)(=O)Cl
Synonyms:
  • 4-(1H-Pyrazol-1-yl)benzene-1-sulfonyl chloride
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