CBIG
UC-Davis Chemical Biology Innovators Group, details and schedule of meetings

Not Voodoo (Frontier Group, University of Rochester)
This website is an excellent resource for numerous details, tips, and troubleshooting related to synthetic chemistry, appropriate for undergraduate students, graduate students and postdocs

e-EROS
Encyclopedia of Reagents for Organic Synthesis database

Organic Syntheses
Searchable database of reliable reaction procedures.

PubMed
For title, author, abstract and keyword searching of biomedical literature.

Safety:
UC-Davis Office of Environmental Health & Safety
UC-Irvine Office of Environmental Health & Safety
Where to Find Material Safety Data Sheets (MSDS) online