Explore substances to locate spectra from the chemical literature.
Reaxys includes combined data the Beilstein Database, the Gmelin Database, and the Patent Chemistry Database.
Spectral Database System for Organic Compounds (SDBS)
SDBS is an integrated spectral database system for organic compounds,which includes six different types of spectra under a directory of the compounds.
SpectraBase is a free online database of IR, NMR, Raman, UV, and mass spectra. Sign up for free account to view full size spectra and details.
Science and technology data resources available from the National Institute of Standards and Technology: