PEG3 with alkyne and iodide functional groups, a reactive and hydrophilic linker for alkylation and click chemistry.

Bifunctional spacer with alkyne and maleimide groups for conjugation of biomolecules.

Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on triethyleneglycol (PEG3).

Alkyne-PEG3-OH is a triethyleneglycol based bifunctional linker with a hydroxyl group and an alkyne fragment.

A bifunctional linker molecule containing both terminal alkyne moiety for click chemistry, and amine group. Contains a long hydrophilic PEG4 arm.

Bifunctional tetraethyleneglycol linker with terminal alkyne and carboxylic acid moieties.

Bifunctional reactive PEG4-based crosslinker containing terminal alkyne group for click chemistry or Sonogashira coupling and reactive alkyl iodide group.

Water soluble, heterobifunctional hydrophilic linker with a length of 14 Å, containing maleimide for thiol labeling, and alkyne for click chemistry. An ideal reagent to attach an alkyne moiety to a protein.

Bifunctional reagent containing alkyne group and hydrazide function. It reacts with aldehydes and ketones. Alkyne group can then be coupled with various azides via CuAAC reaction.

Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on tetraethyleneglycol (PEG4).