We offer a comprehensive range of pharmaceutical, veterinary and medical research reference standards including metabolites and impurities, and their stable isotope labelled analogues. We make every effort to provide a complete set of reference standards for your research, analysis and screening needs. Many of these reference standards are not available from any other source. Our range includes:

• Active pharmaceutical ingredients
• Metabolites including conjugates such as glucuronides
• Degradation products and process impurities
• Genotoxic impurities
• Related substances for pharmacopeial updates
• Stable isotope-labelled analogues

All reference standards are fully characterised with supporting analytical data and accompanying certification document.

If you cannot find what you are looking for please contact us. New products are continually under development and they may simply not be listed yet. In addition, we welcome any request for custom synthesis.