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    Chemical structure of 5-Methylisoxazole-4-carboxylic acid (Leflunomide Impurity) , CAS 42831-50-5, AChemBlock X199328

    5-Methylisoxazole-4-carboxylic acid (Leflunomide Impurity)

    Catalog ID: X199328

    Product Name: 5-Methylisoxazole-4-carboxylic acid (Leflunomide Impurity)
    CAS: 42831-50-5
    Purity: 98.00%
    FW: 127.1
    Formula: C₅H₅NO₃
    Synonym(s): 5-methylisoxazole-4-carboxylic acid
    Smiles: O=C(C1=C(C)ON=C1)O
    5-Methylisoxazole-4-carboxylic acid (Leflunomide Impurity) 98.00%, CAS#: 42831-50-5, Cat ID: X199328, BUILDING BLOCKS, AChemBlock
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    Packaging:1G List Price: $805 Quantity:
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    update on 06-15-2026

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    Purity 98.00%
    Appearances
    Storage Store at Room Tem.
    Shipping normal
    MSDS Download MSDS
    IUPAC Name 5-methylisoxazole-4-carboxylic acid
    HTS Code
    Smiles O=C(C1=C(C)ON=C1)O
    InChiKey VQBXUKGMJCPBMF-UHFFFAOYSA-N
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