The American Chemical Society (ACS) is a non-profit organization chartered by Congress as a scientific and educational organization. The Chemical Abstracts Service (CAS) is a division of the American Chemical Society. Like any society the ACS is concerned with helping its members to get their papers published and to help chemists and chemical engineers to gain recognition in the scientific and general public communities. Equally important, however, the ACS wants to have available information put to use. To this end, it is concerned that all forms of research, development, and applied technology be fully recorded, indexed, and retrievable for the full scientific community. Chemical information is not used only by chemists and chem...