Sources Sought Notice: HEALTH AND HUMAN SERVICES, DEPARTMENT OF, NATIONAL INSTITUTES OF HEALTH is seeking HTRF® cAMP Gs Dynamic Assay Kit Brand Name or Equal for NCATS. This kit is used to measure Gs coupled receptors and will be used to screen the Tox21 10K library in a high-throughput format. The purpose is to identify a group of G protein-coupled receptors (GPCR) for better biological response space coverage and toxicity prediction. The kit must meet specific physical and functional characteristics and the contractor must deliver within 4 weeks after receipt of order. Interested companies should submit their capability statements addressing the project requirements. The response must be submitted by Tuesday, December 26, 2023, 9:00 AM, Eastern Time.