Welcome to synblock! Synblock Inc is a leading chemical R&D company that supports the commercial development of small molecule drug discovery and development in pharmaceutical, and biotechnology companies. Our products and services parallel the drug discovery process and make significant contributions to each step from lead discovery and optimization, scale-up synthesis of drug candidates to process R&D. Our uniquely designed building blocks are tailored to participate in a wide range of robust chemical reactions and are perfect for chemical diversification and lead optimization.