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    6-Chloro-1H-pyrazolo[3,4-d]pyrimidine, CAS 23002-51-9, is in stock from AChemBlock as a research-use heterocyclic building block.
    Chemical structure of 6-Chloro-1H-pyrazolo[3,4-d]pyrimidine , CAS 23002-51-9, AChemBlock C-3275

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

    Catalog ID: C-3275

    Product Name: 6-Chloro-1H-pyrazolo[3,4-d]pyrimidine
    CAS: 23002-51-9
    MDL: MFCD10697157
    Purity: 97%
    Appearance: yellow solid
    FW: 154.56
    Formula: C₅H₃ClN₄
    Smiles: ClC1=NC=C2C=NNC2=N1
    6-Chloro-1H-pyrazolo[3,4-d]pyrimidine 97%, CAS#: 23002-51-9, Cat ID: C-3275, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
    Grouped product items
    Packaging List / Sale Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:5G List Price: $85 / $72 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Sep 21,2026

    Packaging:25G List Price: $295 / $251 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Sep 21,2026

    Packaging:100G List Price: $1,100 / $935 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Sep 21,2026

    update on 09-18-2026

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    Safety Information
    Safety Information
    Pictograms GHS07GHS09
    Signal Word Warning
    Hazard Statements Causes skin irritation
    Causes serious eye irritation
    May cause respiratory irritation
    Very toxic to aquatic life
    Precautionary Statements Avoid breathing dust/fume/gas/mist/vapours/spray.
    Avoid release to the environment.
    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 6-chloro-1h-pyrazolo[3,4-d]pyrimidine
    HTS Code 2933998290
    Smiles ClC1=NC=C2C=NNC2=N1
    InChiKey CZAPPYRAFCOFOL-UHFFFAOYSA-N
    Product Description 6-Chloro-1H-pyrazolo[3,4-d]pyrimidine (CAS 23002-51-9, Catalog ID C-3275) is in stock from AChemBlock. This product is listed for research use and can support medicinal chemistry, organic synthesis, and laboratory research applications. Please contact AChemBlock for quotation, pack size, purity, COA, SDS, and lead-time information.
    Product Application Used as a research-use heterocyclic building block for medicinal chemistry, organic synthesis, and drug discovery research.
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