Handy Chemistry Links
http://www.chemicalelements.com/ and http://www.webelements.com/
Two interesting periodic table sites. All you ever wanted to know about the elements, and more.
http://www.aist.go.jp/RIODB/SDBS/menu-e.html
A Japanese government website with an excellent spectral database.
http://www.cem.msu.edu/~reusch/OrgPage/tables.htm
Data tables for solvents, NMR, isotopes, and other topics from Michigan State University.
http://www.chem.wisc.edu/areas/reich/pkatable/index.htm
Very thorough lists of pKa’s in DMSO.
https://www.organicdivision.org/organicsyntheticfaculty/
Where are the synthetic organic chemists in the USA? Here’s a pretty comprehensive list!