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Structure of 5963-77-9
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Pent-2-ynoic acid features a terminal alkyne group flanked by a carboxylic acid, enabling efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) for bioconjugation and click chemistry applications. This linear, electron-deficient alkyne integrates readily into diverse molecular architectures under standard conditions.
Pent-2-ynoic acid serves as a versatile building block in synthetic organic chemistry, enabling efficient access to α,β-unsaturated systems and heterocycles via [3+2] cycloadditions or metal-catalyzed coupling reactions. Its conjugated alkyne-carboxylic acid functionality offers robust reactivity for Sonogashira couplings and functional group transformations, with excellent bench stability and straightforward purification by recrystallization or distillation.
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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-P405-P501
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Lot numbers can be found on the outside label of a product: