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Structure of 1211533-87-7
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5-Ethynylpyridine-3-carboxylic acid features a conjugated alkyne moiety flanked by a pyridine ring and a carboxylic acid group, enabling efficient copper-catalyzed click chemistry. This bifunctional scaffold integrates seamlessly into bioconjugation workflows, offering high reactivity under mild conditions with excellent stability in aqueous environments.
5-Ethynylpyridine-3-carboxylic acid serves as a versatile building block for the synthesis of functionalized heterocycles and conjugated systems. The terminal alkyne group enables efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC), while the carboxylic acid facilitates direct amidation or esterification. Its stability under standard bench conditions and compatibility with diverse reaction environments make it ideal for modular assembly of bioactive scaffolds and materials precursors.
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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-P330-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: