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Critical toxicity data on more than 194,000 chemical substances in the Registry of Toxic Effects of Chemicals, enhanced by CCOHS to ensure your research is always complete.
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RTECS® helps you find critical toxicological information with citations on over 194,000 chemical substances from more than 3,800 sources, including:
We've made it even easier to search and understand the 570,000+ chemical names and synonyms plus the 140,900 unique CAS numbers found in RTECS®.
Also available in French
The English and French language versions of RTECS® can help you find references to:
Further details about the RTECS database are available in the Comprehensive Guide to the RTECS® Database
The Registry of Toxic Effects of Chemical Substances (RTECS®) database was previously maintained by the National Institute for Occupational Safety and Health (NIOSH) and is now licensed through Dassault Systèmes.
What our clients are saying...
“ CCOHS software is easy to implement and helps me greatly in my research...allowing immediate access to all the information I need. And the technical support provided by CCOHS is excellent. ”
DR. STEVEN CRAGG
Toxicologist/Consultant ToxTemps Inc.
Attention Academic Institutions
RTECS® is also available through our Academic Support Program, a collection of CCOHS OSH databases, specially designed for colleges and universities, or other degree granting institutions.
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