Catalog Online version of the Aldrich catalog. Entries provide information on compounds such as formula weight and CAS registry number. Chemical database and web search engine. An academic account with STN provides access to Chemical Abstracts and the Registry file.
Special training is required and hours of access are limited.
A searchable database of all ACS journals, plus full-text access to journals which Copley subscribes. This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program. Full text of US Patents and more. The NIST reference on physical constants, units and uncertainty. It also provides excellent coverage of cell and molecular biology topics.