As the world leader in the production of stable isotope labeled compounds, CIL offers the most complete inventory of isotopically labeled compounds available. We take pride in our ability to be innovative and responsive to the research requirements of our customers. We have over 8000 compounds in our inventory for use in Proteomics, Metabolic, NMR, BioMolecular Mass Spec, Magnetic Resonance Imaging and Agriculture studies. We also offer a range of Specialty Gases and Isotopic Metals, as well as full Custom Synthesis Capabilities. If you need a labeled compound which was not located in your search, please contact us for a quotation.