N-hydroxypropyl-N'-(azide-PEG3)-Cy3 is a PEG derivative containing cyanine dye with excitation/emission maximum 555/570 nm as well as an azide group, which enables Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media.

N-methyl-N'-(azide-PEG3)-Cy3 is a PEG derivative containing cyanine dye with excitation/emission maximum 555/570 nm as well as an azide group, which enables Click Chemistry. The hydophilic PEG spacer increases solubility in aqueous media.

Bromoacetamido-PEG5-DOTA is a PEG Linker.

DOTA-(t-Butyl)3-PEG5-azide is a PEG Linker.

DOTA-PEG5-azide is a PEG Linker

DOTA-PEG5-amine HCl salt is a PEG Linker.

DNP-PEG6-t-butyl ester is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DNP-PEG6-acid is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DOTA-PEG5-C6-DBCO is a PEG Linker.

DBCO-PEG5-DBCO is a PEG derivative containing a reactive two DBCO groups and a hydrophilic PEG spacer arm. DBCO will react with azide-bearing compounds or biomolecules to form a stable triazole linkage without copper catalyst. The hydrophilic PEG spacer arm can increase water solubility and a membrane permability.

Carboxyrhodamine 110PEG4-DBCO is a PEG derivative containing a DBCO group and a rhodamine dye. DBCO enables copper free Click Chemistry and will react with azide-bearing compounds or biomolecules to form a stable triazole linkage. This reagent will be an ideal alternative to copper intolerant applications and can be used to label cells, tissues, biomarkers or nanoparticles.

DBCO-PEG4-alcohol is a PEG derivative containing a DBCO moiety and a terminal primary hydroxyl group. The hydroxyl can react with a variety of functional groups and the hydrophilic PEG spacer arm can provide better solubility to labeled molecules.

DBCO-PEG4-PFP ester is a PEG derivative. PEG Linkers and derivatives may be useful in the development of antibody drug conjugates.

DBCO-PEG8-NHS ester is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DBCO-PEG1-NHS ester is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DBCO-PEG8-acid is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DBCO-PEG5-acid is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

DBCO-PEG1-acid is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Azidoethyl-SS-propionic NHS ester is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Azidoethyl-SS-propionic acid is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromoacetamido-PEG2-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

t-Boc-N-amido-PEG10-NHS ester is a Boc PEG Linker. The Boc group can be deprotected in mildly acidic conditions. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

t-Boc-N-amido-PEG10-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

Bis-PEG17-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG13-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG10-NHS esteris a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG17-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG15-acid is a homobifunctional PEG derivative which will react with an amine-containing moiety in the presence of a coupling reagent. Bis PEGs can be used to modify proteins, peptides and other materials via amino or other acid reactive chemical groups. It can also be converted to N-hydroxysuccinimide active esters which can be widely used in bioconjugation.

Bis-PEG14-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG13-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.