About ACS

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.

What We Do

More than 140 years after our founding, we remain a champion for chemistry,  its practitioners and our global community of members.

  • We’re recognized as a leading publisher of authoritative scientific information. Our 50+ peer-reviewed journals are ranked the “most-trusted, most-cited and most-read.”
  • We empower our members to advance chemistry, elevate their career potential, expand their networks, inspire future generations, collaborate globally and build communities that provide scientific solutions.
  • We provide broader networks that facilitate connections and open doors in a way no other professional organization can match!

What We Value

Passion for Chemistry

Focus on Members

Professionalism, Safety & Ethics

Diversity & Inclusion

What We Advocate For

We work to promote public policies that advance the chemistry enterprise and its practitioners. In the U.S., we work in these four policy areas:

Our Impact, By The Numbers

200+

Branches Worldwide
(U.S. Local Sections & International Chapters)

3000+

Current & Former ACS Scholars

8700+

Publications by Chemistry Nobel Laureates

130M+

Registered Chemical Substances

How We Support, Advance & Empower

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.

Our Family