TOXNET Chemical Database Help - HSDB, CCRIS, IRIS, ITER, GENETOX, LactMed, CTD

About TOXNET Chemical Databases
  • What is the Hazardous Substances Data Bank (HSDB®)?
  • What is the Chemical Carcinogenesis Research Information System (CCRIS)?
  • What is the Integrated Risk Information System (IRIS)?
  • What is the International Toxicity Estimates for Risk (ITER)?
  • What is the Genetic Toxicology Data Bank (GENE-TOX)?
  • What is LactMed?
  • What is the Comparative Toxicogenomics Database (CTD™)?
Searching TOXNET Chemical Databases
  • Database Selection
  • How do I search the TOXNET Chemical Databases?
  • TOXNET chemical databases default search settings
Additional Search Features
  • Synonym searching
  • Truncation
  • AND, OR, NOT
  • Parentheses and complex searches
  • Phrase searching
Search Results
  • Relevancy Ranking
  • Results List
  • Search Results Options
  • Full Record Display
Browse Terms in the TOXNET Chemical Databases
  • What is Browse?
  • How do I Browse in the TOXNET Chemical Databases?
Advanced Search
  • How do I search for terms in a particular field in a database?
  • How do I use Advanced Search?