Useful Links For Chemist
Spectral Database for Organic Compounds, SDBS
Very useful website for Organic Compounds spectra like MS, NMR, IR, Raman, ESR
E-Books for Chemistry Students
Basic concept in Organic Chemistry
The Molecule of the Month
The Molecule of the Month website added a molecule to its database monthly and publish it on its website.
eMolecule
eMolecule is a good website to draw structure of chemicals or molecules online.