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    Chemical structure of 4-Hydroxythiophene-2-carboxylic acid , CAS 40748-90-1, AChemBlock Y221114

    4-Hydroxythiophene-2-carboxylic acid

    Catalog ID: Y221114

    Product Name: 4-Hydroxythiophene-2-carboxylic acid
    CAS: 40748-90-1
    Purity: 97.00%
    FW: 144.15
    Formula: C₅H₄O₃S
    Synonym(s): 4-hydroxythiophene-2-carboxylic acid
    Smiles: O=C(O)C1=CC(O)=CS1
    4-Hydroxythiophene-2-carboxylic acid 97.00%, CAS#: 40748-90-1, Cat ID: Y221114, BUILDING BLOCKS, AChemBlock
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    Packaging:250MG List Price: $200 Quantity:
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    Jun 26,2026

    Packaging:1G List Price: $485 Quantity:
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    Jun 26,2026

    update on 06-14-2026

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    Purity 97.00%
    Appearances
    Storage Store at Room Tem.
    Shipping normal
    MSDS Download MSDS
    IUPAC Name 4-hydroxythiophene-2-carboxylic acid
    HTS Code
    Smiles O=C(O)C1=CC(O)=CS1
    InChiKey FFIUBSLJPHJUCZ-UHFFFAOYSA-N
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