With more than 150,000 members in 140+ countries, we are the premier home of chemistry professionals.
Founded in 1876 and chartered by the U.S. Congress, we are the world’s largest scientific society. Our mission is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and its people. Our vision is to improve people’s lives through the transforming power of chemistry.
More than 140 years after our founding, we remain a champion for chemistry, its practitioners and our global community of members.
(U.S. Local Sections & International Chapters)
Current & Former ACS Scholars
Publications by Chemistry Nobel Laureates
Registered Chemical Substances
We provide information, education, career services, professional development and engagement programs to help our members and scientists thrive in an ever-changing global economy. We also support teaching and learning for students of all ages through grants and scholarships, and we encourage investments in science, technology, engineering and math (STEM) education, research and innovation.
In keeping with our commitment to be a catalyst for international innovation, exchange and collaboration, about 70% of articles come from authors located outside of the U.S.