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A family of databases and tools to help users search for chemical information in TOXNET.

   ChemIDplus
 A database of over 368,000 chemical records, including over 220,000 with structures. There are two versions of ChemIDplus:
  • ChemIDplus Lite is available for Name and RN searching without the need for plugins or applets.


  • ChemIDplus Advanced allows for structure searching, plus biological and chemical property search and display.
   NCI-3D
 A database of 213,628 Substances with 2D and 3D information compiled from the National Cancer Institute, and augmented by MDL.

   Superlist
 About Superlist
Superlist sources and definitions

   AIDSDrugs Structures
 A table of substances referenced in the NLM AIDSDRUGS file with viewable structures.

 
   Structure Viewing Support
 Two types of structure search and display chemical structures are availalbe. For applet-based search, a Java-capable browser is required to run. For Chemscape Chime plug-in based search, go to our Help Page first for instructions.  You may want to check out tips and recent news.  We also have a page of information about additional structure viewers.

   Chemical Information Internet Resources


   NLM Toxicology and Environmental Health Information Listserv
 An email list announcing updates in SIS’s resources, services, and outreach in toxicology and environmental health.


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