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Structure of 15903-66-9
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3-Methyl-isothiazole-4-carboxylic acid delivers a rigid, electron-deficient heterocyclic scaffold ideal for medicinal chemistry. The carboxylic acid group enables direct conjugation or derivatization, while the methyl substituent enhances metabolic stability and modulates lipophilicity. This compound serves as a key building block in the development of bioactive molecules.
3-Methyl-isothiazole-4-carboxylic acid serves as a versatile heterocyclic building block for medicinal chemistry and materials science. Its carboxylic acid functionality enables direct amidation, esterification, and coupling reactions, while the isothiazole core provides metabolic stability and favorable electronic properties. The methyl substituent enhances solubility and modulates reactivity. This compound exhibits bench stability, ease of purification, and compatibility with standard synthetic protocols, making it ideal for constructing bioactive scaffolds and functionalized polymers.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: