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Tos-PEG-alkyne contains an alkyne functional group (-C≡CH) attached to a PEG chain via a tosylate group (-OTs). The alkyne group is known for its ability to undergo click chemistry.

Tos-PEG-alkyne has been extensively utilized in the development of novel drug delivery systems, such as dendrimers, cyclodextrins, and hydrogels. Its unique chemical properties allow for the conjugation of therapeutic agents, such as small molecules, peptides, and proteins, to the PEG chain via click chemistry reactions. The resulting conjugates exhibit improved stability, increased solubility, and prolonged circulation time in vivo, leading to enhanced therapeutic efficacy and reduced side effects.

Tos-PEG-alkyne has also been employed as a surface modifier in various biomedical applications. For example, it can be immobilized onto the surface of medical devices or implants to improve biocompatibility and reduce immune response.


Cat# Name Structure M.W. Purity Pricing
AP11900Propargyl-PEG2-Tos254.3≥95% Pricing
AP11901Propargyl-PEG3-Tos298.35≥95% Pricing
AP11902Propargyl-PEG4-Tos342.41≥95% Pricing
AP11903Propargyl-PEG5-Tos386.46≥95% Pricing
AP13878Propargyl-PEG6-Tos430.5≥95% Pricing

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