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    Chemical structure of (R)-4-Mercapto-2-pyrrolidinone , CAS 157429-42-0, AChemBlock I-9138

    (R)-4-Mercapto-2-pyrrolidinone

    Catalog ID: I-9138

    Product Name: (R)-4-Mercapto-2-pyrrolidinone
    CAS: 157429-42-0
    MDL: MFCD02262099
    Purity: 97%
    FW: 117.17
    Formula: C₄H₇NOS
    Synonym(s): (r)-4-mercaptopyrrolidin-2-one
    Smiles: O=C1C[C@@H](S)CN1
    (R)-4-Mercapto-2-pyrrolidinone 97%, CAS#: 157429-42-0, Cat ID: I-9138, BUILDING BLOCKS, AChemBlock
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    Packaging:1G List Price: $2,140 Quantity:
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    Jul 10,2026

    update on 06-14-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word warning
    Hazard Statements Harmful if swallowed
    Causes skin irritation
    Causes serious eye irritation
    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
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name (r)-4-mercaptopyrrolidin-2-one
    HTS Code 2933790400
    Smiles O=C1C[C@@H](S)CN1
    InChiKey RADPGJBZLCMARV-GSVOUGTGSA-N
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