When a new substance is published in the literature, Chemical Abstracts Service registers it in the CAS Registry, assigning it a CAS Registry Number and entering appropriate identification information into the database. Recently, CAS has begun including a large amount of physical property and spectral information in the Registry, making it a good place to look for references to property information in the primary literature.
How Do I Use It?
Note that, in some cases, the value of the property cannot be seen in the list of experimental properties. By clicking on the reference number, in the "Note" area of the grid, you can get to the abstract of the article and link to the full text to find the property value.