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Structure of 145916-41-2
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Propargyl-PEG2-Tos features a propargyl group flanked by a short PEG spacer and a tosyl leaving group, enabling efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. This bifunctional scaffold integrates seamlessly into bioconjugation workflows, offering enhanced solubility and controlled reactivity for site-specific labeling.
Propargyl-PEG2-Tos serves as a versatile bifunctional linker for conjugation and synthesis, combining a reactive terminal alkyne with a stable, hydrophilic PEG2 spacer and a tosyl leaving group. It enables efficient CuAAC click chemistry while allowing orthogonal deprotection under mild conditions, facilitating modular assembly of complex molecules. Its bench-stable nature and compatibility with diverse functional groups make it ideal for peptide modification, probe synthesis, and the construction of bioconjugates and API intermediates.
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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-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: