PEG

Propargyl-PEG3-methyl ester is a propargyl linker with a methyl ester. The propargyl group reacts with azide-bearing compounds via copper catalyzed azide-alkyne Click Chemistry. Methyl ester can be hydrolyzed under strong basic condition. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG5-Ms is a PEG linker containing a mesyl group. The mesyl group is a good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG3-methyl ester is a click chemistry reagent with an azide(N3) and methyl ester moieties. The azide group can react with alkynes in copper-free Click Chemistry reactions. Methyl ester can be hydrolyzed under strong basic condition. 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.

N-(Azido-PEG2)-N-Boc-PEG3-NHS ester is a developed as branched labeling reagent. The azide group enables PEGylation via Click Chemistry. The protected amine can be deprotected under acidic conditions. 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.

m-PEG8-(CH2)12-phosphonic acid is a PEG linker with an attached phosphonic acid group. Increasing the number of PEG units in a chain increases the water solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(Azido-PEG2)-N-Fluorescein-PEG3-acid is a fluorescein dye linker containing a terminal azide group and a terminal carboxylic acid. The azide group enables PEGylation via Click Chemistry. The terminal carboxylic acid can react with primary amino groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(Azido-PEG2)-N-Fluorescein-PEG4-acid is a fluorescein lableing reagent containing a terminal azide group and a terminal carboxylic acid. The azide group enables PEGylation via Click Chemistry. The terminal carboxylic acid can react with primary amino groups in the presence of EDC or HATU Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

N-(Azido-PEG2)-N-Boc-PEG4-NHS ester is a developed as a branched PEGylation reagent with a terminal azide, a N-Boc protected amine, and a terminal NHS ester. The azide group enables PEGylation via Click Chemistry. The protected amine can be deprotected under acidic conditions. 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.

Azido-PEG3-CH2CO2-t-Bu is a N3 (azide) containing t-butyl 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 t-butyl protected carboxyl group can be deprotected under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.