Since 1993, C/D/N Isotopes Inc. has provided its customers with superior quality and exceptional service. Researchers in all branches of science and medicine, from around the world, depend on C/D/N Isotopes as the company for deuterium labelled compounds.We currently have more than 3000 products in stock. As a result, we are able to ship most products within 24 to 48 hours after receipt of order. In fact, 98% of our orders are filled from stock.The majority of the products listed on this website are manufactured exclusively by C/D/N Isotopes. Over the years, we have developed and expanded our expertise in the preparation of deuterated compounds. As a result, we are continuously adding new products — there are more than 200 new products which have been added since our 2010-2011 catalog. Please check our “New Products” listing as we regularly add more products.Most new products are the direct result of inquiries from our customers. Our extensive Custom Synthesis capabilities allow us to develop the products that our customers need, in a timely manner and at a reasonable price. Our Quality Control ensures that the isotopic enrichment and chemical purity of our products meet the highest standards.Add to this our fast, courteous and helpful Customer Service professionals, and there is no better company to meet your needs for deuterated compounds.