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    Chemical structure of 5-Chloro-3-nitro-1H-pyrazolo[4,3-d]pyrimidine , CAS 2173992-57-7, AChemBlock K12297

    5-Chloro-3-nitro-1H-pyrazolo[4,3-d]pyrimidine

    Catalog ID: K12297

    Product Name: 5-Chloro-3-nitro-1H-pyrazolo[4,3-d]pyrimidine
    CAS: 2173992-57-7
    MDL: MFCD30737513
    Purity: 95%
    FW: 199.56
    Formula: C₅H₂ClN₅O₂
    Smiles: O=[N+]([O-])C1=NNC2=CN=C(Cl)N=C21
    5-Chloro-3-nitro-1H-pyrazolo[4,3-d]pyrimidine 95%, CAS#: 2173992-57-7, Cat ID: K12297, BUILDING BLOCKS, AChemBlock
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    Sep 25,2026

    update on 08-01-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word Warning
    Hazard Statements May be harmful if swallowed
    Causes eye irritation
    Product Information
    Product Information
    Product Information
    Purity 95%
    Appearances
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 5-chloro-3-nitro-2H-pyrazolo[4,3-d]pyrimidine
    HTS Code 2933998290
    Smiles O=[N+]([O-])C1=NNC2=CN=C(Cl)N=C21
    InChiKey JTGQUJYYLIDIGW-UHFFFAOYSA-N
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