Founded in 1914, the CAS is the world’s only actuarial organization focused exclusively on property and casualty risks and serves over 11,000 members worldwide.

CAS REGISTRY®, the CAS substance collection, is the premier source relied upon by scientists and regulators worldwide for accurate information on chemical substances.

“CAS registry” is a registered trademark of the American Chemical society.

CAS Registry Numbers (CAS RN) are simple and regular, convenient for database searches. They offer a reliable, common and international link to every specific substance across the various …

Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an API connection.

Feb 18, 2025 · The Casualty Actuarial Society (CAS) is excited to announce the launch of the CAS Portal, our new and improved e-commerce platform and user database.

Access the world’s most comprehensive chemical substance and reaction data. Search by structure, name, CAS Registry Number®, or spectra data. Uncover relevant literature, patents, and regulatory …

If you are a current CAS member, candidate, Student Central member or have ever had a CAS account in our previous portal, please use the button below to access our new system.

Actuarial candidates must pass a series of exams to become credentialed property and casualty actuaries and CAS members. The requirements outlined here will help guide you to the highly …

4 days ago · CAS builds the world’s largest collection of human-curated scientific knowledge covering over 150 years of published science. Our tools are designed to address the challenges and …