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    Chemical structure of 1H,4H,5H-pyrazolo[3,4-d]pyridazin-4-one , CAS 13521-25-0, AChemBlock S80824

    1H,4H,5H-pyrazolo[3,4-d]pyridazin-4-one

    Catalog ID: S80824

    Product Name: 1H,4H,5H-pyrazolo[3,4-d]pyridazin-4-one
    CAS: 13521-25-0
    MDL: MFCD20040094
    Purity: 97%
    Appearance: gray white solid
    FW: 136.11
    Formula: C₅H₄N₄O
    Synonym(s): 1,5-dihydro-4h-pyrazolo[3,4-d]pyridazin-4-one
    Smiles: O=C1NN=CC2=C1C=NN2
    1H,4H,5H-pyrazolo[3,4-d]pyridazin-4-one 97%, CAS#: 13521-25-0, Cat ID: S80824, BUILDING BLOCKS, AChemBlock
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    Grouped product items
    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:1G List Price: $975 Quantity:
    		Total:-- Total_Price($):-- Availability: Enquiry Estimated Ship Time:

    Jul 13,2026

    Packaging:5G List Price: $3,900 Quantity:
    		Total:-- Total_Price($):-- Availability: Enquiry Estimated Ship Time:

    Jul 13,2026

    update on 06-15-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word Warning
    Hazard Statements Causes skin irritation
    May cause an allergic skin reaction
    Causes serious eye irritation
    May cause respiratory irritation
    Precautionary Statements Avoid breathing dust/fume/gas/mist/vapours/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances gray white solid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 1,5-dihydro-4h-pyrazolo[3,4-d]pyridazin-4-one
    HTS Code 29339982
    Smiles O=C1NN=CC2=C1C=NN2
    InChiKey RBWFEMOYMLQPAV-UHFFFAOYSA-N
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