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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- CAS REGISTRY®
CAS REGISTRY®, the CAS substance collection, is the premier source relied upon by scientists and regulators worldwide for accurate information on chemical substances
- Empowering Innovation Scientific Discoveries | CAS
CAS provides solutions and services that help empower scientific discoveries Learn how CAS can facilitate your research and drive innovation
- Casualty Actuarial Society
The Casualty Actuarial Society (CAS) is a leading international organization for credentialing and professional education 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
- 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
- CAS Number Search - NIST Chemistry WebBook
“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
- CAS Numbers | SpectrumChemical. com
The Chemical Abstracts Service (CAS) has developed a registry of unique numeric identifiers, aka CAS Numbers or CAS Registry Numbers, for more than 73 million organic and inorganic substances including compounds, metals, alloys, minerals, organometallics, elements, isotopes and biochemicals
- 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
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