CAS Numbers

A registry of unique numeric identifiers for chemicals has been developed by the Chemical Abstracts Service (CAS) for organic and inorganic substances including compounds, metals, alloys, minerals, organometallics, elements, isotopes and biochemicals. Listed below are the CAS Numbers for all items offered for sale by Spectrum that begin with any chosen number or letter from the search tool. By clicking on the either the CAS Number or Chemical Name you will be taken to a page which displays all products that have that unique chemical substance.