- Chemistry Web Book
- Comprehensive source for chemical and physical property data for chemical compounds. From the National Institute of Standards and Technology.
- American Chemical Society
- American Chemical Society (ACS) is the largest scientific society in the world. Provides a broad range of opportunities for peer interaction and career development, regardless of professional or scientific interests.
- National Science Digital Library
- Organized point of access to collections and services for science, technology, engineering, and mathermatics education and research.
- The Information Retrieval in Chemistry
- This site covers chemistry and chemistry-related fields. There is a subject index with the results broken down into government, commercial, academic, and other types of servers. Also available are journal, encyclopedia, news, and educational resources.
- EniG: Periodical Table of the Elements
- Click on the element to get a detailed description, including - atomic number, group numbers, period, electronic configuration, formal oxidation number, electronegativities, atomic radius / pm, and relative atomic mass. A short history and description of the element is given followed by crystallographic data, physical properties, thermal properties, ionization energies, abundance of elements, isotopes, and reduction potentials.
- Organic Chemistry Resources Worldwide
- Aim is to provide an organized set of links to information for organic chemistry researchers.
