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Structure of 573982-81-7
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1-Ethyl-4-ethynyl-1H-pyrazole features a terminal alkyne group flanked by a pyrazole scaffold, enabling efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) for bioconjugation and materials synthesis. The ethyl substituent enhances solubility and stability under standard conditions.
1-Ethyl-4-ethynyl-1H-pyrazole serves as a versatile building block in synthetic organic chemistry, enabling efficient access to functionalized heterocycles via copper-catalyzed azide-alkyne cycloaddition (CuAAC). The terminal alkyne group exhibits high reactivity in click chemistry protocols, while the pyrazole core provides stability and moderate basicity. Its bench-stable nature and compatibility with diverse reaction conditions facilitate straightforward purification and integration into complex molecular architectures.
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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: