Protheragen is a leading global supplier of ultra-pure, functionalized PEG linkers and other tool molecules for bio-conjugation, including ADC. With our strong supply chain and customization expertise, we are able to supply biopharma companies and research institutes around the world with a wide variety of top-quality ADC linkers.

• Click Chemistry-Modified PEG Linkers

PEG products with click chemicals functional groups (DBC, azide, alkyne), for live cell labeling and bio-conjugation under mild conditions.

• Heterobifunctional Crosslinkers

Bio-conjugation tools combine maleimide, amino, carboxyl and alkyne functional groups to achieve site-specific conjugation of antibodies, peptides and small molecules.

• ADC-Specific Cleavable Linkers

Linkers with proteasome-labile peptide bonds and p-aminobenzyl alcohol autolyse for the effective release of toxins in tumor cells.

• Terminally Functionalized PEG Reagents

PEGs with basic functional groups like hydroxyl, amino, and carboxyl for modifying molecular solubility, extending the half-life, or serving as intermediates for further derivatization.

Product Features

• Precisely defined and customizable structure
• Modular structure, enabling compatibility with multiple technology platforms
• cGMP manufacturing capabilities and flexible supply

We provide services from supplying standard ADC linkers to custom syntheses. If you cannot find the product you need in our catalog or need customized solutions, please contact us.