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    Chemical structure of 4-chloro-6-ethynylthieno[3,2-d]pyrimidine , CAS 552294-21-0, AChemBlock Q63143

    4-chloro-6-ethynylthieno[3,2-d]pyrimidine

    Catalog ID: Q63143

    Product Name: 4-chloro-6-ethynylthieno[3,2-d]pyrimidine
    CAS: 552294-21-0
    MDL: MFCD28673129
    Purity: 97%
    FW: 194.64
    Formula: C₈H₃ClN₂S
    Synonym(s): 4-chloro-6-ethynylthieno[3,2-d]pyrimidine
    Smiles: C#CC1=CC2=N/C=N\C(Cl)=C\2S1
    4-chloro-6-ethynylthieno[3,2-d]pyrimidine 97%, CAS#: 552294-21-0, Cat ID: Q63143, BUILDING BLOCKS, AChemBlock
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    Packaging:1G List Price: $1,120 Quantity:
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    Aug 10,2026

    Packaging:5G List Price: $3,355 Quantity:
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    Aug 10,2026

    update on 06-14-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word warning
    Hazard Statements Harmful if swallowed
    Causes skin irritation
    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
    Storage Store at Room Tem.
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 4-chloro-6-ethynylthieno[3,2-d]pyrimidine
    HTS Code 2934999000
    Smiles C#CC1=CC2=N/C=N\C(Cl)=C\2S1
    InChiKey WHMPBCONOBJDQC-UHFFFAOYSA-N
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