PEG

PEG18 contains repeating ethylene glycol subunits and two terminal hydroxyl groups. The hydroxyl groups can participate in reactions to further derivatize the compound. The hydrophilic PEG chain increases the water solubility of the compound in aqueous media. The water solubility properties of the PEG linker are enhanced with longer PEG chains. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG3-4-nitrophenyl carbonate is a PEG linker containing an azide group and an reactive nitrophenyl carbonate(NPC group). The NPC group is reactive towards the amino group of lysine by means of stable urethane linkages. The azide group enables Click Chemistry. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bis-propargyl-PEG18 has two propargyl groups at both ends. These propargyl groups reacts with azide compounds or biomolecules to form stable triazole linkages under the catalyzation of copper. The hydrophilic PEG units enhance the solubility of the molecule in aqueous environment. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

AZD-PEG13-PFP is a PEG linker containing an AZD group and a PFP ester group, an activated ester that reacts with primary amines to form amide bonds. PFP ester has been found to be more stable than other amine reactive groups because it is less likely to undergo hydrolysis. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Aminoethyl-SS-ethylamine contains two primary amine terminal groups and a cleavable disulfide bond. The terminal amines can participate in chemical reactions with carboxylic acids, activated NHS esters and other carbonyl compounds. The disulfide bond can be cleaved by Dithiothreitol (DTT) reagent. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azidoethyl-SS-ethylalcohol is a Click Chemistry crosslinker containing a hydroxyl group, a cleavable disulfide bond and an azide group. The azide group enables Click Chemistry. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bis-PEG4-sulfonic acid is a PEG linker with sulfonic acid moieties. The sulfonic acid groups can participate in esterification, halogenation and displacement reactions. The hydrophilic PEG linkers increase the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

endo-BCN-PEG4-NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The BCN group enables copper free click chemistry with azide-tagged biomolecules. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG3-SS-PEG3-azide is a PEG linker containing two terminal azide moieties and a cleavable disulfide bond. The azide groups can undergo copper-catalyzed Click Chemistry reactions with reagents such as alkynes, DBCO and BCN. The disulfide bond can be cleaved via reduction reactions using a Dithiothreitol (DTT) reagent. The hydrophilic PEG linkers increase the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.