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    5-Methyl-3-phenylisoxazole-4-carboxylic acid, CAS 1136-45-4, is in stock from AChemBlock as a research-use heterocyclic building block.
    Chemical structure of 5-Methyl-3-phenylisoxazole-4-carboxylic acid , CAS 1136-45-4, AChemBlock AD254576

    5-Methyl-3-phenylisoxazole-4-carboxylic acid

    Catalog ID: AD254576

    Product Name: 5-Methyl-3-phenylisoxazole-4-carboxylic acid
    CAS: 1136-45-4
    MDL: MFCD00003153
    Purity: 95%
    Appearance: white powder
    FW: 203.2
    Formula: C₁₁H₉NO₃
    Smiles: O=C(O)C1=C(C)ON=C1C2=CC=CC=C2
    5-Methyl-3-phenylisoxazole-4-carboxylic acid 95%, CAS#: 1136-45-4, Cat ID: AD254576, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
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    Packaging:25G List Price: $70 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Aug 03,2026

    update on 07-30-2026

    * All the products will be shipped from our San Francisco Site except you agree.

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    Product Information
    Product Information
    Purity 95%
    Appearances white powder
    Storage Store at Room Tem.
    Shipping Room Temp.
    MSDS Download MSDS
    IUPAC Name 5-methyl-3-phenylisoxazole-4-carboxylic acid
    HTS Code
    Smiles O=C(O)C1=C(C)ON=C1C2=CC=CC=C2
    InChiKey PENHKTNQUJMHIR-UHFFFAOYSA-N
    Product Description 5-Methyl-3-phenylisoxazole-4-carboxylic acid (CAS 1136-45-4, Catalog ID AD254576) 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 heterocyclic building block for medicinal chemistry, organic synthesis, and drug discovery research.
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