The U.S. Food and Drug Administration (FDA) is seeking small business sources to provide two Thermo Scientific Exploris 120 Orbitrap Mass Spectrometers and an Ultra-High Performance Liquid Chromatograph (UHPLC) system, including a one-year post-warranty maintenance option. This sources sought announcement aims to assess the capabilities of vendors to meet specific technical requirements essential for testing nitrosamine impurities in drug products. The procurement is critical for ensuring the quality and safety of pharmaceuticals, and interested vendors must submit their qualifications by January 28, 2025. For further inquiries, vendors can contact Erika Crawford at erika.crawford@fda.hhs.gov or call 301-796-0298.