PEG

N-(Biotin-PEG10)-N-Bis(PEG10-azide) is a branched PEG linker with two biotin groups. The azide groups enables click chemistry. Reagent grade, for research use only.

Azide-PEG11-Ms is a very reactive reagent containing an azide group and a mesyl group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The mesyl group is good leaving group for nucleophilic reactions. Reagent grade, for research use only.

N-(Amine-PEG3)-N-bis-(PEG3-Amino-Tri-(Propargyl-PEG2-ethoxymethyl)-methane), TFA salt is a branched PEGylation reagent containing an amino group with six propargyl groups. The amino group is reactive with carboxylic acids, activated NHS esters. The alkynes can participate in copper-catalyzed Click Chemistry. Reagent grade, for research use only.

Hydroxy-PEG4-CH2CO2H is a PEG linker containing a hydroxyl group with a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Reagent grade, for research use only.

Propargyl-PEG4-Ms has an alkyne group and a mesylate group. The mesylate group is a sulfonate ester for nucleophilic substitution reactions (SN2). The alkyne group can react with azides via copper catalyzed Click Chemistry reactions. The PEG units help increase the solubility of the molecule in aqueous environments. Reagent grade, for research use only.

Azido-PEG3-flouride is a PEG linker containing a fluorine atom and an azide group. 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. Reagent grade, for research use only.

Hydroxy-PEG1-acid sodium salt is a PEG linker containing a hydroxyl group with a terminal carboxylic acid (as sodium salt form). The free acid form is not stable due to the reaction of OH with PEG-COOH group to form polymer. The sodium salt form is stable for storage and shipping. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Reagent grade, for research use only.

Propargyl-PEG12-methylamine is a propargyl linker that is commonly used as a Click Chemistry reagent for copper-catalyzed reactions with azides. The methylamine group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde), etc. The PEG spacer helps improve the water solubility of the molecule in aqueous media. Reagent grade, for research use only.

N-(amine-PEG23)-N-bis(PEG3-azide) is a PEG reagent containing a terminal amine and two azide groups. The hydrophilic PEG spacer increases solubility in aqueous media. The azide groups can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde), etc. Reagent grade, for research use only.