安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- Casualty Actuarial Society
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®
Looking for CAS Registry Numbers or CA Index Names for known substances? For common and frequently regulated chemicals, you can use CAS Common Chemistry, an open community resource with nearly 500,000 chemical substances from CAS REGISTRY
- CAS Registry Number - Wikipedia
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 nomenclatures and disciplines used by branches of science, industry, and regulatory bodies
- About CAS
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 complexities unique to scientific and patent data so that you can find the answers you need efficiently
- CAS Number Search - NIST Chemistry WebBook
Redistribution rights for CAS registry numbers are reserved by the American Chemical Society “CAS registry” is a registered trademark of the American Chemical society
- CAS Number Search - Chemsrc
Chemsrc provides free CAS Number Search engine to fast access over millions chemical structures, CAS number, MSDS, properties and associated information
- What Is a CAS Number and How Is It Assigned? - ThoughtCo
Every chemical is assigned a CAS Number Have you ever wondered what a CAS Number is and how they are assigned? Check out this very simple explanation that will give you everything you need to know about what a CAS Number is, plus how CAS Numbers are assigned
- Chemical Abstracts Service - Wikipedia
CAS (Chemical Abstracts Service) is a division of the American Chemical Society It is a source of chemical information and is located in Columbus, Ohio, United States
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