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    Chemical structure of 1H-pyrazolo[4,3-d]pyrimidine , CAS 272-57-1, AChemBlock S76348

    1H-pyrazolo[4,3-d]pyrimidine

    Catalog ID: S76348

    Product Name: 1H-pyrazolo[4,3-d]pyrimidine
    CAS: 272-57-1
    MDL: MFCD18251004
    Purity: 97%
    Appearance: yellow solid
    FW: 120.12
    Formula: C₅H₄N₄
    Synonym(s): 1h-pyrazolo[4,3-d]pyrimidine
    Smiles: C1=NC=C2N/N=C\C2=N1
    1H-pyrazolo[4,3-d]pyrimidine 97%, CAS#: 272-57-1, Cat ID: S76348, BUILDING BLOCKS, AChemBlock
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    Packaging List / Sale Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:250MG List Price: $210 / $189 Quantity:
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    Jul 03,2026

    Packaging:1G List Price: $730 / $657 Quantity:
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    Packaging:5G List Price: $2,200 / $1,980 Quantity:
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    Jul 03,2026

    update on 06-21-2026

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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 yellow solid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 1h-pyrazolo[4,3-d]pyrimidine
    HTS Code 29339982
    Smiles C1=NC=C2N/N=C\C2=N1
    InChiKey APXRHPDHORGIEB-UHFFFAOYSA-N
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