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    Chemical structure of 4-chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide , CAS 1781073-49-1, AChemBlock S78433

    4-chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide

    Catalog ID: S78433

    Product Name: 4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide
    CAS: 1781073-49-1
    MDL: MFCD31926763
    Purity: 97%
    FW: 204.63
    Formula: C₆H₅ClN₂O₂S
    Smiles: O=S1(=O)CC2=NC=NC(Cl)=C2C1
    4-Chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide 97%, CAS#: 1781073-49-1, Cat ID: S78433, BUILDING BLOCKS, AChemBlock
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    Sep 25,2026

    update on 07-31-2026

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    Safety Information
    Safety Information
    Pictograms GHS06
    Signal Word Danger
    Hazard Statements Toxic if swallowed
    Causes serious eye irritation
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 4-chloro-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide
    HTS Code 2934999001
    Smiles O=S1(=O)CC2=NC=NC(Cl)=C2C1
    InChiKey QWHQQLMTHWAXLF-UHFFFAOYSA-N
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