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    15903-66-9

    Catalog No. EBD258175

    CAS 15903-66-9

    Name 3-methyl-isothiazole-4-carboxylic acid

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    Basic Information

    Synonyms: 3-Methylisothiazole-4-carboxylicacid 3-methyl-1,2-thiazole-4-carboxylicacid 3-methyl-isothiazole-4-carboxylicacid 3-methyl-4-isothiazolecarboxylicacid 3-Methyl-isothiazol-carbonsaeure-(4) 3-Methyl-isothiazol-4-carbonsaeure 3-Methyl-4-isothiazolcarbonsaeure 3-Methylisothiazol-4-carbonsaeure

    Molecular Formula: C5H5NO2S

    Molecular Weight: 143.17

    Categories: Medicinal Chemistry > Pharmaceutical Intermediates > Heterocyclic Intermediates

    Product Description:
    3-Methyl-isothiazole-4-carboxylic acid is a heterocyclic carboxylic acid featuring a fused isothiazole ring system. It serves as a versatile and important synthetic building block in medicinal chemistry. Its primary application is as a key intermediate in the synthesis of various pharmaceutical compounds. The carboxylic acid group allows for further derivatization, such as amide bond formation, making it a crucial precursor for constructing molecules with potential biological activity. It is notably used in the research and development of drugs targeting the central nervous system and other therapeutic areas. As a heterocyclic scaffold, it is valued for its role in exploring structure-activity relationships (SAR) and creating novel chemical libraries for biological screening.
    Physical Properties

    Boiling Point: 182.3 °C at 760 mmHg

    Flash Point: 64.1 °C

    Density: 1.418 g/cm3

    mg g kg ml l t