The broadest combined MS library available with over 2 million EI and LC-MS mass spectra
The combined Wiley Registry 12th Edition/NIST 2020 Mass Spectral Library is the most comprehensive mass spectral library available, making it an essential tool for general unknown compound identification. Experience improved spectral search performance with the Wiley Registry 12th Edition/NIST 2020 Library. Replicate spectra and over 3 million chemical names and synonyms provide a higher rate of correct identification and ensure that this library can aid in classical EI, exact mass, and other methods of identification.
Included in the combination package are:
- Over 1 million EI mass spectra
- Over 1 million searchable chemical structures
- Over 840,000 unique compounds
A trusted data source
Wiley is an authoritative source for spectral data. Their renowned spectral databases are processed according to rigorous protocols to ensure they are of the highest quality. These qualification procedures start at data acquisition and continue throughout the database development process. Any data acquired from trusted partners is thoroughly vetted before inclusion in our collections.