Co-Sense for Impurities

Liquid Chromatograph with online Sample Preparation

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Co-Sense for Impurities

The FDA draft guidance, "Genotoxic and Carcinogenic Impurities in Drug Substances and Products: Recommended Approaches" prescribes permitted limits for genotoxic impurities in drug substances. These impurities demand more sensitive trace-level analysis than normal impurities. Generally, mass spectrometry methods, such as GC/MS or LC/MS, are used for the high-sensitivity analysis of impurities. However, there is increasing demand for the establishment of a high-sensitivity quantitation method using an absorbance or other conventional detector that is easy to operate and can easily apply existing LC analysis conditions.

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