Chemical Abstracts Service, CAS, is the producer of Chemical Abstracts, SciFinder, and co-partner in operating STN International, all of which provide comprehensive, authoritative, and reliable access to chemical and scientific information from databases covering topics such as chemistry, engineering, patents, medicine, ...
www.cas.org/ www.cas.org/
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Largest and most comprehensive database of chemical substance information and the official source for obtaining or confirming CAS Registry Numbers. ... Why have CAS Registry Numbers become the world standard?
www.cas.org/expertise/cascontent/registry/regsys.html www.cas.org/expertise/cascontent/registry/regsys.html
CAS registry number - Wikipedia, the free encyclopedia
CAS registry numbers are unique numerical identifiers for chemical elements, compounds, polymers, biological sequences, mixtures and alloys. They are also referred to as CAS numbers , CAS RNs or ...
en.wikipedia.org/wiki/CAS_registry_number
List of CAS numbers by chemical compound - Wikipedia, the free encyclopedia
This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compoun...
en.wikipedia.org/wiki/List_of_CAS_numbers_by_chemical_c... en.wikipedia.org/wiki/List_of_CAS_numbers_by_chemical_compound
Entry in the Material Safety Data Sheet HyperGlossary at ILPI. ... The numbers you see on trucks on the highway are not CAS Numbers, but U.S. Department of Transportation (DOT) mandated UN/NA codes which are not necessarily specific to each chemical. Their aim is to assist emergency responders.
www.ilpi.com/msds/ref/cas.html www.ilpi.com/msds/ref/cas.html
CAS registry numbers are copyrighted by the American Chemical Society. Redistribution rights for CAS registry numbers are reserved by the American Chemical Society. “CAS registry” is a registered trademark of the American Chemical society.
webbook.nist.gov/chemistry/cas-ser.html webbook.nist.gov/chemistry/cas-ser.html
INDEX of Chemical Abstracts Service Registry Numbers (CAS No.) ... SEQ CAS No. ... Index of RTECS Numbers...
www.cdc.gov/niosh/npg/npgdcas.html www.cdc.gov/niosh/npg/npgdcas.html
What sources contain CAS Registry Numbers? ... CAS registry numbers are found in several print and electronic sources. These sources should be consulted before you develop your search strategy for Chemical Abstracts Online. It is a good idea to verify registry numbers found in sources not published by CAS.
library.humboldt.edu/~chadwick/casregno.htm library.humboldt.edu/~chadwick/casregno.htm
CAS numbers for selected chemicals with links to safety data ... People often enquire about the structure of CAS numbers. The final digit in a CAS Registry Number is a checksum. To calculate the checksum, number each digit from 1 to N, starting at the second-last digit and progressing to the left.
msds.chem.ox.ac.uk/newcas.html msds.chem.ox.ac.uk/newcas.html
Property Search Search CAS Number Home ... General Searching Instructions -- If you don't know the CAS number for the compound, you may search the CAS number first with chemical name. To search with full chemical name, letters of the chemical name should be entered first.
www.dep.state.pa.us/physicalproperties/CASNUM_Search.ht... www.dep.state.pa.us/physicalproperties/CASNUM_Search.htm
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