Welcome to the Spectra and Spectral Data guide. Under Online Resources you will find licensed and open access databases containing spectra and spectral data. The Print Reference Works section contains links to comprehensive print indexes and other reference works. The other sections cover specialized print and online resources.
SciFinder (CAS Registry) has experimental spectra for more than 900,000 compounds and over 80 million predicted proton and 13C NMR spectra. IR, MS and NMR spectra are sourced from the Wiley spectral databases and the SDBS database.