Handy Chemistry Links
Not Voodoo: Laboratory Techniques and Methods to Improve your Experimental Skills
An undergraduate chemistry research database from Pacific Lutheran University. and
Two interesting periodic table sites. All you ever wanted to know about the elements, and more.
A comprehensive set of organic chemistry tools, from lab techniques to structure analysis.
Two compendia of name reactions; each has great references but no mechanisms.
A Japanese government website with an excellent spectral database.
Data tables for solvents, NMR, isotopes, and other topics from Michigan State University.
Very thorough lists of pKa’s in DMSO.
Where are the synthetic organic chemists in the USA?  Here’s a pretty comprehensive list!
The Hirsh index — a measure of scientific importance measuring publications and citations