Chemistry

Searchable databases, information about careers in chemistry, meetings, ACS programs and services, chemistry in the news are but a few of the offerings at this site.

The National Center for Biotechnology Information is part of the United States National Library of Medicine, a branch of the National Institutes of Health.

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

Interactive periodic table with up-to-date element property data collected from authoritative sources.

PubChem sketcher is designed as a structure drawing tool to serve the PubChem structure search. In addition, PubChem sketcher can be used as a standalone drawing interface to allow users to export the structure in various format such as an image (png, gif, jpg..), SDF, SMILES, InChI, etc.

RCSB PDB (RCSB.org) is the US data center for the global Protein Data Bank (PDB) archive of 3D structure data for large biological molecules (proteins, DNA, and RNA) essential for research and education in fundamental biology, health, energy, and biotechnology.