Bifunctional linker with terminal alkyne function, and carboxylic acid moiety, CAS# 1415800-32-6.

Bifunctional hyrophilic 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.

Alkyne PEG3 amine is a medium length heterobifunctional linker for the conjugation.

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

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.

A bifunctional linker with azide and amine groups flanking PEG3 (triethylene glycol)

Triethylene glycol diazide (CAS# 59559-06-7) is a bifunctional crosslinker bearing two azide groups. Suitable for Click chemistry.

PEG3 azide chloride contains a reactive halogen atom, and an azide group for Click chemistry reaction. It can also serve as a protected amine group equivalent.

A bifunctional compound containing carboxylic acid functional group, and iodide, an active halogen group.

Homobifunctional PEG3 based linker with halogen reactive groups is useful for the crosslinking of nucleophiles.

Iodo PEG3 azide is a bifunctional linker with a highly reactive alkylative halogen functional group, and an azido group for Click chemistry / Staudinger ligation.

PEG3 dicarboxylic acid is a bifunctional linker carrying two carboxy groups. It contains a polyethyleneglycol-3 linker between the carboxyls.

PEG3 tetrazine is a mono-reactive triethyleneglycol with a tetrazine group for ied-DA conjugation with strained olefins.