WebbCASSI Search Tool Usage Agreement. The CAS Source Index (CASSI) Search Tool is an online resource intended to support researchers and librarians who need accurate … Webb17 okt. 2024 · Links with this icon indicate that you are leaving the CDC website.. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a …
chemdata:ridatabase [] - NIST
WebbCAS Registry Numbers (CAS RN) are simple and regular, convenient for database searches. They offer a reliable, common and international link to every specific … WebbIt is comprised of the following lists: EINECS (European INventory of Existing Commercial chemical Substances) as published in O.J. C 146A, 15.6.1990. EINECS is an inventory of substances that were deemed to be on the European Community market between 1 January 1971 and 18 September 1981. run the business rtb
Identification of Unknowns by GC-MS and LC-MS Using NIST Search …
Webb6 apr. 2024 · A registry number may be searched as if it were a word, i.e., s 103-90-2 will search for information on Tylenol. See Using Native Commands to Search Chemical … Webb19 juni 2014 · Verified CAS registry numbers. For more information, please visit http://chemdata.nist.gov. The scientific contact for the database is: Stephen E. Stein Mass Spectrometry Data Center National Institute of Standards and Technology Gaithersburg, MD 20899-8362 (301) 975-2505 [email protected] Webb11 juni 2024 · The National Institute of Standards and Technology (NIST) has developed and maintains evaluated libraries of reference data for the identification of chemicals by the method of gas chromatograph/mass spectrometry. It includes the NIST/EPA/NIH Mass Spectral Library of electron ionization spectra and the NIST GC Retention Index (RI) … run the business vs grow the business