EPapchem

EPapchem is a specialized biotechnology company and contract research organization (CRO) based in Suzhou, China, dedicated to the field of Targeted Protein Degradation (TPD). The company provides a comprehensive platform for the discovery and development of Proteolysis Targeting Chimeras (PROTACs) and molecular glues, offering an extensive library of over 10,000 TPD-related building blocks. Their product portfolio includes a wide range of E3 ligase ligands, such as those for Cereblon and Von Hippel-Lindau, along with diverse linkers and functionalized precursors. Beyond supplying chemical components, EPapchem offers integrated services including custom synthesis, medicinal chemistry optimization, and TPD library construction. By addressing the complex chemistry required for effective protein degradation, the company supports global pharmaceutical partners in targeting previously undruggable proteins across oncology and immunology.