ChemDraw is the drawing tool of choice for chemists to create publication-ready, scientifically intelligent drawings. Register to activate the product online.
ChemSpider is a chemistry search engine, built with the intention of aggregating and indexing chemical structures and their associated information into a single searchable repository.
This site contains the reference sequence and working draft assemblies for a large collection of genomes. It also provides portals to ENCODE data at UCSC (2003 to 2012)