NIST Chemistry WebBook
Provides access to data including thermochemical data, reaction thermochemistry data, IR spectra, mass spectra, ion energetics data, and more.
An open chemistry database containing chemical structures, identifiers, chemical and physical properties, biological activities, patnets, health, safety, toxicity data, and much more.
Specialized Information Services
From the National Library of Medicine, this website contains various resources on toxicology, environmental health, and more.
Search multiple databases from the National Library of Medicine including those covering toxicology and biochemistry.
Remember, anyone can publish anything online! Make sure you take a critical look at any websites you are considering using for your research! Some things to ask yourself about the website...
For more information on evaluating websites, check out this research guide.