PubChem collects and provides information on the biological activity of small molecules. PubChem includes substance information (PubChem Substance), compound structures (PubChem Compound), and BioActivity screens (PubChem BioActivity).
PubChem Compound is also accessible from the PubMed or NCBI drop down menus. PubChem Compound collects and combines validated chemical depiction information used to describe the many substances submitted to PubChem. Literature related to the chemicals is also available.
ChemlDplus: Chemical database is a dictionary of over 400,000 chemicals (names, synonyms, and structures). ChemIDplus includes links to NLM and other databases and resources, including links to federal, state and international agencies.
Web-based resource enabling first responders and other healthcare providers to plan for, respond to, recover from, and mitigate the effects of mass-casualty incidents involving accidental or terrorist chemical releases. Incorporates HSDB.
Designed to assist emergency responders in hazardous material incidents. WISER provides a wide range of information on hazardous substances, including substance identification support, physical characteristics, human health information, and containment and suppression advice.
