Wiley Registry of Mass Spectral Data, 11th Edition

Book Details

  • Published: 05 April 2016
  • ISBN: 978-1-119-17101-0
  • Author: Fred W. McLafferty, Wiley
thumbnail image: Wiley Registry of Mass Spectral Data, 11th Edition

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The Wiley Registry of Mass Spectral Data, now in its 11th edition, is the most comprehensive mass spectral library available. Applications include untargeted GCMS screening, and accurate mass workflows with MS-TOF spectra.Included in the 11th edition are:

  • Over 775,500 mass spectra
  • Over 741,000 searchable chemical structures
  • Over 599,700 unique compounds

Improvements to the Wiley Registry include removal and sequestration of suspect spectra from the main library and partition of excess replicate spectra (beyond 4 replicates) into a separate replicate library. The result is a main library that has increased overall breadth and improved spectral search performance.

Identification of unknowns begins with untargeted analysis. The Wiley Registry provides researchers with the most assurance that their untargeted spectral search is the broadest available. The Wiley Registry 11th has 56,500 and 113,500 more spectra than the 10th and 9th editions, respectively, It contains 264,968 more spectra and 229,068 more compounds that the NIST14.


W11 v W10

W11 v W9

W11 v N14

W11 v N11


775,500 v 719,000

775,500 v 662,000

775,500 v 510,532

775,500 v 240,000

Searchable Structures

741,000 v 684,000

741,000 v 565,133

741,000 v 370,632

741,000 v 212,000

Available in most common mass spectrometry software formats and compatible with most manufactuer systems, including Agilent Chemstation, Agilent MassHunter, NIST MSSearch, Thermo Xcalibur, Shimadzu GCMSsolution, PerkinElmer TurboMass, Waters MassLynx.

Compound coverage verification for this and other spectral and chemical databases is freely available at Compound Search

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