Please find below a compilation of free toxicology resources available on the internet for forensic and analytical toxicologists. This feature is constantly growing and evolving and, of course, we also appreciate feedback from our visitors.
Links last checked to February 2026.
Scientific literature
Free full-text scientific articles
- Pubmed Central
- Hinari (free articles for developing countries)
- Directory of Open Access Journals (DOAJ)
- WHO – Free book on basic analytical toxicology
Managers for references
Toxicological data
- IPCS Inchem (internationally peer reviewed info on chemicals)
- Agency for Toxic Substances and Disease Registry
Chemical Information about chemicals and drugs
Free libraries of GC mass spectra
- AAFS (Agilent format – latest version 2012)
- SWGDRUG
- Cayman chemical
Drug concentrations lists
- Schulz M, Iwersen-Bergmann S, Andresen H, Schmoldt A. Therapeutic and toxic blood concentrations of nearly 1,000 drugs and other xenobiotics. Crit Care. 2012; 16(4):R136. doi: 10.1186/cc11441. PMID: 22835221; PMCID: PMC3580721.
- Schulz M, Schmoldt A, Andresen-Streichert H, Iwersen-Bergmann S. Revisited: Therapeutic and toxic blood concentrations of more than 1100 drugs and other xenobiotics. Crit Care. 2020; 24(1):195. doi: 10.1186/s13054-020-02915-5. PMID: 32375836; PMCID: PMC7201985.
National and international organisations about drugs and drug misuse
Driving under the influence of alcohol and drugs
New Psychoactive Substances
Social networking site for scientists and researchers
- Research gate (social networking site for scientists and researchers)