ACS Fall 2026 2026

ACS Fall 2026 is the fall National Meeting and Exposition of the American Chemical Society, held at McCormick Place in Chicago under the theme Elevating Chemistry. One of the largest scientific gatherings in the world, it brings together thousands of chemists, students, and professionals for many thousands of technical presentations, professional development programming, and an exposition spanning organic and inorganic chemistry, physical and analytical chemistry, materials and polymer chemistry, medicinal and biological chemistry, energy and catalysis, and environmental and green chemistry.