We have been in business for 20 years and are the premier global distributor of stable isotopes for science, medicine and industry. We can ship to any location worldwide. Many shipments go out the same day the order is received, assuming the isotope is in inventory. ISOFLEX also supplies select radioisotopes. Please contact us regarding your specific radioisotope requirements. Industry: From milligram-quantity atomic clock crystals, to hundreds of grams for laser production, to hundreds of kilograms for nuclear reactor water chemistry additives, ISOFLEX meets demanding isotopic purity and enrichment requirements. We also offer isotopically-enriched gases and gaseous compounds.