|SpectraBase Compound ID
The KnowItAll IR, Raman, and UV-Vis spectral libraries offer access to the world's largest collection of IR, Raman, and UV-Vis spectra, including the renowned Sadtler spectra. The libraries include a wide range of compounds from pure organics to industrial compounds. Learn more.
The NIST/EPA/NIH MS/MS 2020 libraries contain over 1,320,000 spectra for over 185,500 ions. The MS/MS libraries also contain metabolites, peptides (including biologically-relevant peptides), contaminants, lipids, and more. Learn more.
Search your unknown spectrum against the world's largest collection of reference spectra
KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.