CAS Inventory Expert Services

The CAS Inventory Expert Service (IES) helps you obtain CA Index Names and CAS Registry Numbers® in order to complete your EPA TSCA PMN application under the Revisions of Premanufacture Notification Regulations: Final Rule.

Contact us

CAS service professionals are available to answer questions and help you with requests.

800.631.1884 (North America)
614.447.3870
(Outside North America)
answers@cas.org

Latest from CAS Insights™

Emerging Science

Reading the Circuits: ACS/CAS microelectronics webinar recap

Summary of our recent webinar, featuring experts from CAS, the National Institute of Standards and Technology (NIST), and the University of Manchester, discussing the research landscape of microelectronics research and breakthroughs.
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Emerging Science

Fossil fuels to biofuels: How biomass can drive sustainability

Biomass is currently just a fraction of our energy sources, but with more sustainable feedstocks and conversion processes, biomass-based chemicals and fuels could become common replacements for fossil fuel-based materials.
|Insights Report
Emerging Science

4D printing: Can time-responsive design transform materials science?

How can we print in 4D? By adding time as a dimension, researchers are creating sensors and devices that respond to stimuli like heat and moisture. These cutting-edge materials have the potential to play a crucial role in biomedicine, aerospace, and more.
|Article