With more than 158,000 members, the American Chemical Society (ACS) is the world’s largest scientific society and one of the world’s leading sources of authoritative scientific information. A nonprofit organization, chartered by Congress, ACS is at the forefront of the evolving worldwide chemistry enterprise and the premier professional home for chemists, chemical engineers and related professions around the globe. We strive to be a force for good. We are dynamic and visionary, committed to “Improving people’s lives through the transforming power of chemistry.” (less)