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Structure of 77544-68-4
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Tos-PEG3 features a tosyl group appended to a triethylene glycol chain, offering a robust, moisture-tolerant linker for conjugation. This bifunctional scaffold enables efficient coupling of nucleophiles while maintaining solubility in aqueous and organic media. The PEG spacer provides steric shielding and enhanced bioavailability, making it ideal for peptide modification and probe synthesis under standard conditions.
Tos-PEG3 serves as a versatile bifunctional linker enabling efficient conjugation in peptide and small-molecule synthesis. The tosyl (Tos) group facilitates nucleophilic displacement reactions, while the PEG3 spacer provides enhanced solubility and reduced aggregation. This combination supports reliable purification and stability under standard bench conditions, making it well-suited for building complex architectures in medicinal chemistry and chemical biology workflows.
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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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: