Granlen is a global chemistry-based contract research organization that offers an integrated discovery and development platform for the biotech and pharmaceutical industries. The company provides made-to-order compound libraries, hit generation, hit-to-lead optimization, medicinal chemistry and other chemistry services including custom synthesis, intermediates, reference compounds, metabolites and impurities, route scouting, process development, and scale-up. In-house teams can also offer heterocyclic and macrocyclic chemistry, nucleosides, nucleotides and nucleic acids, process development and large scale synthesis, new drug discovery and development, formulation, immuno-chemistry, computer-aided drug design, analysis, biology, in-vitro and in-vivo PK studies, pharmacology and toxicology studies.