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    Chemical structure of 1H-pyrazole-4-sulfonyl chloride , CAS 438630-64-9, AChemBlock S75538

    1H-pyrazole-4-sulfonyl chloride

    Catalog ID: S75538

    Product Name: 1H-pyrazole-4-sulfonyl chloride
    CAS: 438630-64-9
    MDL: MFCD09701481
    Purity: 97%
    FW: 166.58
    Formula: C₃H₃ClN₂O₂S
    Synonym(s): 1h-pyrazole-4-sulfonyl chloride
    Smiles: O=S(=O)(Cl)C1=CNN=C1
    1H-pyrazole-4-sulfonyl chloride 97%, CAS#: 438630-64-9, Cat ID: S75538, BUILDING BLOCKS, AChemBlock
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    Packaging:25G List Price: $275 Quantity:
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    Jul 03,2026

    Packaging:100G List Price: $825 Quantity:
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    Jul 17,2026

    update on 06-19-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word Warning
    Hazard Statements Harmful if swallowed
    May cause an allergic skin reaction
    Causes serious eye irritation
    Precautionary Statements Wear protective gloves/protective clothing/eye protection/face protection.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 1h-pyrazole-4-sulfonyl chloride
    HTS Code 2933199000
    Smiles O=S(=O)(Cl)C1=CNN=C1
    InChiKey MRPFJQLRQGTKNI-UHFFFAOYSA-N
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