ACD/CNMR DB
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Gain access to the 13C NMR databases used by our industry-standard NMR predictions.
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In addition to giving chemists access to meticulously examined experimental NMR data, complete with assigned structures and references, these databases have been successfully implemented in organizations around the world to aid in the identification of impurities and intermediates, evaluation of component mixtures, and dereplication of natural products.
ACD/CNMR DB contains a user-accessible internal database of over 2.5 million experimental chemical shifts and 101,260 coupling constants for over 200,000 structures. It includes original references, solvent, frequency, NMR technique, molecular formula, molecular weight, IUPAC name, and trivial name, which can be searched, viewed, and printed.
ACD/Labs updates the content of CNMR DB in each and every version to ensure that our library is up to date with the most novel and relevant compounds being studied in chemistry today. Look at the timelines below to evaluate our advances in database content since version 4.5.
| Year |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Release |
Version 6.0 |
Version 7.0 |
Version 8.0 |
Version 9.0 |
Version 10.0 |
Version 11.0 |
Version 12.0 |
| # of Chemical Shifts |
1,700,000 |
1,850,000 |
2,017,000 |
2,160,000 |
2,351,000 |
2,430,000 |
2,547,046 |
For more information on the capabilities of this product refer to the overview links on the side panel of this page.
Looking for software that predicts 13C NMR spectra, chemical shifts, and coupling constants? See ACD/CNMR Predictor.
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