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    (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid, CAS 83540-94-7, is in stock from AChemBlock as a research-use alcohol / hydroxyl building block.
    Chemical structure of (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid , CAS 83540-94-7, AChemBlock H-8314

    (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid

    Catalog ID: H-8314

    Product Name: (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid
    CAS: 83540-94-7
    MDL: MFCD16251425
    Purity: 97%
    Appearance: white solid
    FW: 148.12
    Formula: C₅H₈O₅
    Smiles: COC(=O)[C@H](O)CC(=O)O
    (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid 97%, CAS#: 83540-94-7, Cat ID: H-8314, 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:250MG List Price: $145 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:1G List Price: $310 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:5G List Price: $1,100 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    update on 07-29-2026

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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 white solid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name (r)-3-hydroxy-4-methoxy-4-oxobutanoic acid
    HTS Code 2918995000
    Smiles COC(=O)[C@H](O)CC(=O)O
    InChiKey RTSODCRZYKSCLO-GSVOUGTGSA-N
    Product Description (R)-3-Hydroxy-4-methoxy-4-oxobutanoic acid (CAS 83540-94-7, Catalog ID H-8314) 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 intermediate for organic synthesis and medicinal chemistry research.
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