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    Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate, CAS 203866-17-5, is in stock from AChemBlock as a research-use protected amine building block.
    Chemical structure of Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate , CAS 203866-17-5, AChemBlock G-6568

    Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate

    Catalog ID: G-6568

    Product Name: Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate
    CAS: 203866-17-5
    MDL: MFCD03094918
    Purity: 97%
    Appearance: white solid
    FW: 265.26
    Formula: C₁₁H₁₇F₂NO₄
    Smiles: COC(=O)[C@@H]1CC(F)(F)CN1C(=O)OC(C)(C)C
    Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate 97%, CAS#: 203866-17-5, Cat ID: G-6568, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
    Grouped product items
    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:5G List Price: $32 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Aug 03,2026

    Packaging:25G List Price: $126 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Aug 03,2026

    update on 07-31-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word warning
    Hazard Statements Harmful if swallowed
    May cause respiratory irritation
    Precautionary Statements Avoid breathing dust/fume/gas/mist/vapours/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances white solid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 1-(tert-butyl) 2-methyl (s)-4,4-difluoropyrrolidine-1,2-dicarboxylate
    HTS Code 2933998290
    Smiles COC(=O)[C@@H]1CC(F)(F)CN1C(=O)OC(C)(C)C
    InChiKey RQDZKOOUQIDZOG-ZETCQYMHSA-N
    Product Description Methyl (S)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate (CAS 203866-17-5, Catalog ID G-6568) is in stock from AChemBlock. This product is listed for research use and can support medicinal chemistry, organic synthesis, and laboratory research applications. Please contact AChemBlock for quotation, pack size, purity, COA, SDS, and lead-time information.
    Product Application Used as a research-use protected building block for organic synthesis, medicinal chemistry, and drug discovery research.
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