http://www.aist.go.jp/RIODB/SDBS/menu-e.html
For each compound they have available spectroscopic data, up to complete
graphic display of 1H and 13C spectra with assignments. This was brought
to my attention by a student who had a diterpene unknown in my NMR class.
He used his own data and the database to show that the label on the bottle
used to prepare the unknown sample was not correct! Extra credit.
Neil
Neil E. Jacobsen, Ph.D.
NMR Facility Manager
Department of Chemistry
University of Arizona
Tucson, AZ 85721
520-621-8146
FAX 520-621-8407