The most comprehensive spectra library is available in its combined version with NIST 2020. You will have access to over 2 million EI and LC-MS mass spectra and over 840,000 unique compounds. This recent version of Wiley Registry 12th Edition combined with NIST 2020 has many enhancements to the spectra search software to facilitate compound identification regardless of the method used.

We offer special rates on this combined version – take advantage of it! The update policy is now less restrictive.