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Structure of 23486-70-6
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5-Ethynyl-1H-pyrazole features a terminal alkyne group appended to the pyrazole ring, enabling efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) for bioconjugation and molecular scaffolding. The electron-deficient heterocycle enhances reactivity in click chemistry applications, while the bench-stable alkyne tolerates standard handling conditions. This compound integrates readily into complex architectures via modular coupling strategies.
5-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 moiety facilitates reliable conjugation reactions, while the pyrazole core provides robust stability and compatibility with diverse reaction conditions. This compound is particularly valuable for constructing triazole-linked scaffolds in medicinal chemistry and materials science applications, offering high yield and ease of purification in standard bench-scale syntheses.
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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 : H315-H319
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Precautionary Statements : P264-P280-P302+P352-P362+P364
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Lot numbers can be found on the outside label of a product: