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Structure of 62921-76-0
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m-PEG4-Tos features a para-tosylated methoxy-terminated PEG chain, offering enhanced solubility and stability in aqueous and organic media. This derivative enables efficient conjugation workflows, particularly in bioconjugation and surface functionalization applications.
m-PEG4-Tos serves as a versatile bifunctional linker for conjugation and solid-phase synthesis, combining the solubility and stability of a methoxy-terminated PEG4 chain with a tosyl leaving group. It facilitates efficient nucleophilic substitution reactions with amines and thiols, enabling reliable attachment to biomolecules, resins, or functionalized surfaces. The tosyl group provides excellent reactivity under mild conditions, while the PEG spacer enhances solubility and reduces non-specific binding in biological applications.
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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-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: