Polyethylene Glycol (PEGs & PEOs)

Benzyloxy carbonyl-PEG3-NHS ester is a PEG derivative which contains a benzyl protecting group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing

Benzyloxy carbonyl-PEG3-NHS ester is a PEG derivative which contains a benzyl protecting group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing

Benzyloxy carbonyl-PEG3-NHS ester is a PEG derivative which contains a benzyl protecting group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing

Benzyloxy carbonyl-PEG3-t-butyl ester is a PEG derivative containing a benzyloxy carbonyl group and a t-butyl ester protecting group. The benzyloxy carbonyl helps to enhance chemoselectivity of a reaction. The t-butyl ester can be removed under

Benzyloxy carbonyl-PEG3-t-butyl ester is a PEG derivative containing a benzyloxy carbonyl group and a t-butyl ester protecting group. The benzyloxy carbonyl helps to enhance chemoselectivity of a reaction. The t-butyl ester can be removed under

Benzyloxy carbonyl-PEG3-t-butyl ester is a PEG derivative containing a benzyloxy carbonyl group and a t-butyl ester protecting group. The benzyloxy carbonyl helps to enhance chemoselectivity of a reaction. The t-butyl ester can be removed under

Benzyloxy carbonyl-PEG3-t-butyl ester is a PEG derivative containing a benzyloxy carbonyl group and a t-butyl ester protecting group. The benzyloxy carbonyl helps to enhance chemoselectivity of a reaction. The t-butyl ester can be removed under

Biotin functionalized polyethylene glycol (PEG-Biotin) is an avidin or streptavidin binding PEG derivative that is used to biotinylate biomolecules or other material surfaces. Biotin can be easily detected by biotin/streptavidin binding assay and is

Biotin functionalized polyethylene glycol (PEG-Biotin) is an avidin or streptavidin binding PEG derivative that is used to biotinylate biomolecules or other material surfaces. Biotin can be easily detected by biotin/streptavidin binding assay and is

Biotin functionalized polyethylene glycol (PEG-Biotin) is an avidin or streptavidin binding PEG derivative that is used to biotinylate biomolecules or other material surfaces. Biotin can be easily detected by biotin/streptavidin binding assay and is

Biotin-PEG-amine, MW 2K is a PEG derivative containing a biotin group and a free amine. The biotin group is used for the conjugation of proteins and can also be used for labeling. The free amine can react with carboxylic acids, activated NHS esters

Biotin-PEG-amine, MW 3.4K is a PEG derivative containing a biotin group and a free amine. The biotin group is used for the conjugation of proteins and can also be used for labeling. The free amine can react with carboxylic acids, activated NHS