Toxicological, Chemical and Directory Data

Records from TOXLINE® Subset, CCRIS, ChemIDplus Subset, DIRLINE®, GENE-TOX, and the Hazardous Substances Data Bank (HSDB®) Subset, produced by the NLM Specialized Information Services Division, Public Services Division, and the Office of Computer and Communications Systems.

Overview of Content and Specifications for Toxicological, Chemical and Directory Data
An overview and description of these databases, and information on how to lease.
CCRIS
Chemical records with carcinogenicity, mutagenicity, tumor promotion, and tumor inhibition test results. Developed and maintained by the National Cancer Institute (NCI).
ChemIDplus Subset
Structure and nomenclature authority files used for the identification of chemical substances
DIRLINE®
Directory of organizations, research resources, projects, and databases concerned with health and biomedicine.
GENE-TOX
Genetic toxicology (mutagenicity) test data. Created by the U.S. Environmental Protection Agency (EPA).
HSDB® Subset
Hazardous Substance Data Bank, a toxicology data file.
TOXLINE® Subset
Bibliographic references for toxicology.

Sample NLM® Data
DTD Structure and XML Format:
- DTDs
  Links to all NLM DTDs for licensed databases.