isotopic and clinical standard

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 3400 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 180 new products which have been added since our 2012-2013 catalog. Please check our “Recent Additions” and “New Products” listings to see our newest products.

IsoSciences, an Entegris company, is a leading manufacturer and supplier of stable isotope labeled compounds used for internal standards, R&D, pharmaceuticals, and more. We offer a full range of products and services with over 1,000 catalog items and custom solution offerings that address complex quality and purity requirements.