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    (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid (CAS 1998640-07-5) is supplied as a Fmoc amino acid building block for research and development applications.
    Chemical structure of (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid , CAS 1998640-07-5, AChemBlock AD267024

    (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid

    Catalog ID: AD267024

    Product Name: (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid
    CAS: 1998640-07-5
    Purity: 95%
    Appearance: White Powder
    FW: 437.44
    Formula: C₂₅H₂₁F₂NO₄
    Smiles: O=C(O)[C@@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)CC4=CC=CC(C(F)F)=C4
    (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid 95%, CAS#: 1998640-07-5, Cat ID: AD267024, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
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    Packaging:250MG List Price: $340 Quantity:
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    Aug 03,2026

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    Aug 03,2026

    Packaging:5G List Price: $2,850 Quantity:
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    Aug 14,2026

    update on 07-31-2026

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    Product Information
    Product Information
    Purity 95%
    Appearances White Powder
    Storage Store at 0-8 °C
    Shipping Room Temp.
    MSDS Download MSDS
    IUPAC Name (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-(difluoromethyl)phenyl)propanoic acid
    HTS Code
    Smiles O=C(O)[C@@H](NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)CC4=CC=CC(C(F)F)=C4
    InChiKey ITYPJACYSLIKMN-QFIPXVFZSA-N
    Product Application Used as a Fmoc amino acid building block for medicinal chemistry, SAR studies, custom synthesis, and drug discovery research.
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