KnowItAll U – The World’s Largest Spectral Database
A Spectral Library Resource for Chemistry Education & Research
Wiley’s KnowItAll U offers every student and faculty member unlimited access to over 2 million spectra, including Infrared (IR), Raman, NMR (CNMR, HNMR, XNMR), UV-Vis, and Mass Spectra (MS).
A KnowItAll U subscription provides the most affordable option for campus-wide access the largest and highest quality spectral library. Choose access to the complete KnowItAll U collection or libraries for a specific technique.
| Library Name | Spectra |
| KnowItAll U (all techniques) | 2,074,000 |
| KnowItAll U – IR | 264,000 |
| KnowItAll U – MS | 860,000 |
| KnowItAll U – NMR | 895,000 |
| KnowItAll U – Raman | 25,000 |
| KnowItAll U – UV-Vis | 30,000 |
KnowItAll and ChemWindow are trademarks of John Wiley & Sons, Inc. in certain jurisdictions.