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Avogadro is an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible high quality rendering and a powerful plugin architecture.
Common Chemistry From Chemical Abstracts Service, a free look-up for CAS Registry Numbers of approximately 7,800 chemicals of widespread general public interest.
Directory of Graduate Research Searchable online version of the American Chemical Society's Directory of Graduate Research, providing information on graduate programs at universities in the United States and Canada.