American Chemical Society
The American Chemical Society is a self-governed individual membership organization that consists of more than 160,000 members at all degree levels and in all fields of chemistry. The organization provides a broad range of opportunities for peer interaction and career development, regardless of professional or scientific interests. The programs and activities conducted by ACS today are the products of a tradition of excellence in meeting member needs that dates from the Society's founding in 1876.
The link address is: http://www.acs.org/