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
- 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
- Casualty Actuarial Society
CAS members are sought after globally for their insights and ability to apply analytics to solve insurance and risk management problems
- PubChem
Search and explore chemical information in the world's largest free chemistry database Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
- CAS Number Search - NIST Chemistry WebBook
CAS registry numbers are copyrighted by the American Chemical Society Redistribution rights for CAS registry numbers are reserved by the American Chemical Society
- CAS
Members, employers, and consultants get 24 7 access to our web portal and mobile app where they can access claims, monitor plan performance, check on eligibility, see explanations of benefits, and much more CAS provides prompt, personal service and tailored solutions to clients of all sizes
- American Chemical Society
ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals Find career opportunities, educational resources, events, funding, and more
- ChemIndex - a free chemical CAS search database
Search on CAS registry numbers, chemical names or name fragments Database Highlights A free and convenient way to get physical and chemical information on a specific chemical Information including suppliers list on over 1,800,000 substances, including almost all chemicals in commerce Disclaimer ChemIndex database is constantly being updated
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