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    Chemical structure of delta-9(11)-Ethynylestradiol , CAS 1231-96-5, AChemBlock H-8560

    delta-9(11)-Ethynylestradiol

    Catalog ID: H-8560

    Product Name: delta-9(11)-Ethynylestradiol
    CAS: 1231-96-5
    MDL: MFCD01310751
    Purity: 97%
    FW: 294.4
    Formula: C₂₀H₂₂O₂
    Synonym(s): (8s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,12,13,14,15,16,17-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol
    Smiles: [H][C@@]12CCC3=C(C=CC(O)=C3)/C1=C/C[C@@]1(C)[C@@]2([H])CC[C@@]1(O)C#C
    delta-9(11)-Ethynylestradiol 97%, CAS#: 1231-96-5, Cat ID: H-8560, BUILDING BLOCKS, AChemBlock
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    Jul 31,2026

    update on 07-19-2026

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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 Avoid breathing dust/fume/gas/mist/vapours/spray.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name (8s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,12,13,14,15,16,17-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol
    HTS Code 29053990
    Smiles [H][C@@]12CCC3=C(C=CC(O)=C3)/C1=C/C[C@@]1(C)[C@@]2([H])CC[C@@]1(O)C#C
    InChiKey DUZHXWCAIBMQPI-FYQPLNBISA-N
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