For almost 140 years, we have been improving people’s lives through the transforming power of chemistry.

Our Mission and Organization

To advance the broader chemistry enterprise and its practitioners for the benefit of Earth and its people.

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Our Guiding Principles

Advancing science

Through peer reviewed journals, research, conferences, grants and awards, and free educational resources

Advocating for chemistry

We support innovation, strong science education, openness and sustainability in public policy

Enabling career development

Through personal consulting, career fairs, jobs database and professional development courses

Educating the public

Through public outreach programs, such as Chemists Celebrate Earth Day, National Chemistry Week, Landmarks in Chemical History, and more

Supporting future chemists

With free educational resources, mentoring programs, student chapters and high school chemistry clubs

Promoting diversity

From aspiring scientists at the high school level, to veteran chemists, ACS is here to support its members and enhance their professional development.

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Our Brands

The American Chemical Society serves more than 158,000 members globally, providing educational and career development programs, products, and services. As the largest scientific society in the world, we are a leading and authoritative source of scientific information. Our flagship offerings include:

The most-cited publications and services in the chemical and related sciences

The world’s largest collection of molecular substances, reactions, and related content

Print and online news magazine covering the global chemical enterprise and related sciences

Community for K–12 teachers of chemistry and anyone with an interest in K–12 chemistry education