PEG

t-Boc-N-Amido-PEG8-propargyl has an alkyne group and Boc-protected amine. The alkyne group reacts with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. The deprotection of Boc-protected amine can be peformed under mild acidic conditions. The hydrophilic PEG chain enhances the solubility of the molecule in aqueous solution. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-SS-PEG2-acid is a cleavable PEG linker. The azide group can undergo copper-catalyzed Click Chemistry reactions with alkynes, DBCO and BCN moieties. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The PEG spacer increases the water solubility of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

t-Boc-Aminooxy-PEG1-amine is a PEG linker containing a Boc-protected aminooxy group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The protected aminooxy can be deprotected under mild acidic conditions and then can react with an aldehyde or ketone group to form a stable oxime linkage. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG6-2-methylacrylate is a PEG linker, incorporating a methylacrylate group. The methylacrylate group reacts with amines during Michael addition reactions. The hydrophilic PEG chain increases the water solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG5-2-methylacrylate is a PEG linker, incorporating a methylacrylate group. The methylacrylate group reacts with amines during Michael addition reactions. The hydrophilic PEG chain increases the water solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG3-aminoacetic acid-NHS ester is a PEG linker containing an azide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Propargyl-PEG5-CH2CO2tBu enables the formation of triazole linkages with azide compounds or biomolecules in copper catalyzed Click Chemistry reactions. The t-butyl group can be hydrolyzed under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

(2-pyridyldithio)-PEG4-propargyl is a PEG linker which contains a pyridyl disulfide moiety and a propargyl group. The pyridyl disulfide group can react with thiol groups of proteins over a wide range of pH levels. The propargyl group can react with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The hydrophilic PEG linker increases the water solubility of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

APN-C3-PEG4-azide is a heterobifunctional linker containing an APN moiety with exquisite chemoselectivity for cysteine and an azide group. The superior stability of APN-cysteine conjugates in aqueous media, human plasma, and living cells makes this new thiol-click reaction a promising methodology for applications in bioconjugation. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.