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

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From microbiome breakthroughs to AI-powered simulations, this CAS Insights webinar recap explores the latest drug discovery trends shaping pharmaceutical research.
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Emerging Science

Nobel Prize winners

Discover how Nobel-winning science unfolds—from breakthrough ideas to global recognition. CAS Insights reveals the context, challenges, and impact behind these discoveries.
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