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    Chemical structure of 1H-pyrazol-5(4H)-one , CAS 137-44-0, AChemBlock W157576

    1H-pyrazol-5(4H)-one

    Catalog ID: W157576

    Product Name: 1H-pyrazol-5(4H)-one
    CAS: 137-44-0
    MDL: MFCD00127223
    Purity: 97%
    FW: 84.08
    Formula: C₃H₄N₂O
    Synonym(s): 2,4-dihydro-3H-pyrazol-3-one
    Smiles: O=C1CC=NN1
    1H-pyrazol-5(4H)-one 97%, CAS#: 137-44-0, Cat ID: W157576, BUILDING BLOCKS, AChemBlock
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    Packaging:25G List Price: $110 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Jun 26,2026

    Packaging:100G List Price: $330 Quantity:
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    Jul 10,2026

    update on 06-14-2026

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    Purity 97%
    Appearances
    Storage Store at 0-8 °C
    Shipping normal
    MSDS Download MSDS
    IUPAC Name 2,4-dihydro-3H-pyrazol-3-one
    HTS Code
    Smiles O=C1CC=NN1
    InChiKey ZRHUHDUEXWHZMA-UHFFFAOYSA-N
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