PEG

m-PEG3-t-butyl ester is a PEG linker containing a t-butyl ester. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-Sulfone-PEG3-azide PEG linker containing sulfone and azide moieties. The sulfone can react with thiol groups of proteins. The azide can react with alkynes, DBCO and BCN for copper-catalyzed Click Chemistry reactions. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(Mal-PEG6)-N-bis(PEG3-amine) is a water soluble PEG linker containing a maleimide and two amino groups. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-Sulfone-PEG3-t-butyl ester is a PEG linker containing sulfone and t-butyl ester moieties. The sulfone can react with thiol groups of proteins. The t-butyl can be removed under acidic conditions. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-Sulfone-PEG2-acid is a PEG linker containing sulfone and carboxylic acid moieties. The sulfone can react with thiol groups of proteins. The terminal carboxylic acids can react with primary amines in the presence of activators such as EDC and HATU to form stable amide bonds. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azide-PEG6-Tos consist of an azide group and a tosyl group. 6 PEG units increases solubility in aqueous media. The azide(N3) group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The tosyl group is a good leaving group for nucleophilic substitution reactions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-Sulfone-PEG4-propargyl is a sulfonated PEG linker containing a propargyl group. The propargyl groups can react with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield stable triazole linkages. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-Sulfone-PEG2-OH is a PEG linker containing sulfone and hydroxyl moieties. The sulfone can react with thiol groups of proteins. The hydroxyl group can react to further derivatize the compound. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG4-oxazolidin-2-one is a bifunctional crosslinker containing an azide group and an oxazolidin group. The azide group enables Click Chemistry. The Oxazolidin-2-onegroup is an efficient ligand for the copper-catalyzed N-arylation of pyrrole, imidazole and Iindole. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.