Determining Relative Response Factors of Impurities by NMR & Developing GMP NMR Methods, New Life Science Webinar Hosted by Xtalks

Share Article

Xtalks presents an exciting live webinar on Friday October 18, 2013 at 1:00 pm EDT on the expanding the role of NMR beyond structure identification.

News Image

Nuclear magnetic resonance (NMR) spectroscopy is widely recognized as an extremely information-rich analytical technique. In the pharmaceutical industry, the utility of NMR is expanding beyond its traditional role as a tool for studying molecular structures and dynamics.

At the same time, regulatory agencies dictate that impurities in APIs, and drug products present above certain levels must be monitored and controlled, and at higher levels, fully structurally characterized. Impurity levels are commonly monitored by HPLC/UV. While HPLC/UV methods are robust and sensitive, UV detection suffers from the flaw that not all compounds absorb UV light equally. Late in the drug manufacturing process, it becomes critical to determine the relative response factors of impurities in order to accurately assess their levels in APIs and formulated drug products. Determining these relative response factors can be time consuming and may require hundreds of milligrams of the isolated or synthesized impurity.

NMR is used routinely in GMP environments for tasks such as the release of starting materials, qualification of reference standards and structural identification of impurities. However, the performance of modern NMR spectrometers is characterized by high reproducibility and extensive dynamic range, allowing the development and validation of GMP NMR methods that can meet linearity, robustness, precision and accuracy criteria analogous to HPLC/UV methods

In this live presentation event, speaker will review advantages and challenges of applying NMR in emerging research areas, as well as recent literature and experiences. Additionally, a case study describing a validated NMR method developed when other analytical methods were not feasible (ie. no chromophores) will be presented.

A Q&A with the audience will follow the main presentation.

For more information about this event or to register, visit

Xtalks, powered by Honeycomb Worldwide Inc., is a leading provider of educational webinars to the global Life Sciences community. Every year thousands of industry practitioners turn to Xtalks for access to quality content. Xtalks helps Life Science professionals stay current with industry developments, trends and regulations. Xtalks webinars also provide perspectives on key issues from top industry thought leaders and service providers.

To learn more about Xtalks visit

Karen Lim (416) 977-6555 ext 227

Share article on social media or email:

View article via:

Pdf Print

Contact Author

Client Services
+1 (416) 977-6555 227
Email >
Visit website