PEG

2-t-Butoxycarbonylamino-1,3-bis(carboxyethoxy)propane is a small molecule reagent to be conjugated with amine containing molecule. Boc can be deprotected under acidic conditions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

2-(Azido-PEG2-amido)-1,3-bis(tert-butyldimethylsilanoxy)propane is a PEG linker containing a TBDMS acid labile, alcohol protecting group. The azide group is able to participate in copper-catalyzed Click Chemistry reactions with alkynes, DBCO and BCN to generate triazole linkages. The hydrophilic PEG linker increases the solubility properties of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

2-(Azido-PEG2-amido)-1,3-propandiol is a branched PEG derivtive containing terminal azide moieties and two primary alcohol groups. The azide group can participate in copper-catalyzed Click Chemistry reactions with alkyne, DBCO and BCN moieties. The hydroxyl groups can react to further derivatize the compound. PEG linker increases solubility of compounds in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG4-NHS ester is a PEG linker containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-azide is a PEG linker containing an azide group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG4-Tos is a PEG linker containing a tosyl group. The tosyl group is a very 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.

m-PEG3-amine is a PEG reagent containing an amino group (NH2). The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-S-Acetyl is a PEG linker with a sulfur-acetyl end group. The sulfur acetyl group can be deprotected to generate thiol groups. After the formation of the thiol group, it is able to react with maleimides, disulfides, haloacteamides and other thiols. The hydrophilic PEG linker increases the solubility of the compound in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

m-PEG3-NHS ester is a PEG linker containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases solubility in aqueous media. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.