PEG

Azido-PEG12-TFP ester represents a heterobifunctional PEG linker containing an azido group that reacts with alkynes, DBCO, and BCN via copper-catalyzed Click Chemistry, while the TFP ester reacts with primary amines and is more hydrolysis-resistant than NHS ester. The hydrophilicity of the compound is enhanced by the PEG linker. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Azido-PEG24-TFP ester acts as a heterobifunctional PEG linker possessing an azido for copper-catalyzed click reactions with alkynes, DBCO, and BCN. TFP ester reacts with primary amine groups and is also less susceptible to undergo hydrolysis compared to NHS ester. The hydrophilicity of the molecule is bolstered by the PEG24 units. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Phthalimidiooxy-PEG12-NHS ester functions as a bifunctional PEG linker consisting of phthalimidiooxy and NHS ester which readily and efficiently reacts with amine-bearing molecules. The PEG12 units elevate the water solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bromoacetamido-PEG12-TFP ester serves as a bifunctional PEG linker comprised of bromoacetamido that is a good leaving group for nucleophilic substitution reactions, while the TFP ester reacts with primary amines and is more hydrolysis-resistant than NHS ester. The PEG24 chain increases water solubility. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bromoacetamido-PEG24-TFP ester is a long bifunctional PEG linker with terminal bromoacetamido and TFP ester groups. The bromoacetamido group is a very reactive group for nucleophilic substitution. The TFP ester can react with primary amine groups and is also less susceptible to undergo hydrolysis compared to NHS ester. The lengthy PEG24 arm enhances the water-solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bromoacetamido-PEG23-azide ester is a bifunctional PEG linker with terminal bromoacetamido and azide groups. The bromoacetamido group partakes in nucleophilic substitution, while the azide group undergoes copper-catalyzed click reactions with alkyne, DBCO, BCN. The long PEG chain imparts hydrophilicity. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Bromoacetamido-PEG24-amido-DBCO serves as a heterobifunctional PEG linker featuring a bromoacetamido group for nucleophilic substitution reactions and DBCO for copper-free Click Chemistry reactions. The lengthy PEG arm bolsters the solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

DBCO-PEG24-TFP ester is a heterobifunctional PEG linker with an azide-reactive DBCO and an amine-reactive TFP ester that is less susceptible to hydrolysis than an NHS ester. The PEG linker improves the water solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Tetra(-amido-PEG23-MAL) pentaerythritol is a special branched PEG linker with terminal maleimide groups that react with thiols between pH 6.5 to 7.5. The lengthy PEG chains elevate hydrophilicity and help with fine-tuning DMPK properties. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.