Fast, reliable access to the critical information you need!
RTECS® helps you find critical toxicological information with citations on over 174,000 chemical substances from more than 2,500 sources, including:
- International Journals
- Technical Reports
- Scientific Proceedings
- Compendia and more!
Enhanced by CCOHS
We've made it even easier to search and understand the 400,000+ chemical names and synonyms plus the 134,000 unique CAS numbers found in RTECS®!
Also available in French!
The English and French language versions of RTECS® can help you find references to:
- Toxicological Data and Reviews
- International Workplace Exposure Limits
- References to US Standards and regulations
- Analytical Methods
- Exposure and Hazard Survey Data
RTECS® is ideal for:
- MSDS Writers
- Industrial Hygienists
- Product Safety Specialists
- Health and Safety Specialists
- Environmental Engineers
Your annual subscription to RTECS® also includes:
- Quarterly web updates
- Free technical support
- bi-monthly e-newsletter Liaison
- Chemical Notification Service
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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