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    Chemical structure of 4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide , CAS 141802-64-4, AChemBlock S87100

    4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide

    Catalog ID: S87100

    Product Name: 4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide
    CAS: 141802-64-4
    MDL: MFCD24495935
    Purity: 95%
    FW: 218.24
    Formula: C₇H₆O₄S₂
    Synonym(s): 4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide
    Smiles: O=C(O)C1=CC2=C(S1)S(=O)(=O)CC2
    4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide 95%, CAS#: 141802-64-4, Cat ID: S87100, BUILDING BLOCKS, AChemBlock
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    Packaging:250MG List Price: $550 Quantity:
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    Jul 14,2026

    update on 06-15-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word Warning
    Hazard Statements Causes skin irritation
    Causes serious eye irritation
    May cause respiratory irritation
    Precautionary Statements Wash hands thoroughly after handling.
    Product Information
    Product Information
    Product Information
    Purity 95%
    Appearances
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 4,5-dihydrothieno[2,3-b]thiophene-2-carboxylic acid 6,6-dioxide
    HTS Code 2934999001
    Smiles O=C(O)C1=CC2=C(S1)S(=O)(=O)CC2
    InChiKey XDFZOIROJYGFFO-UHFFFAOYSA-N
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