Bibliothèque

Bordwell pKa Table

ChemSpider

ChemSpider Synthetic Pages

Challenging Problems in Chemistry and Chemical Biology (Evans Group-Harvard)

CSC 2013

CGCC

Chemistry by Design

Hans Reich's Organic Chemistry Information

International Carbene and Nitrene Consortium (ICNC)

IUPAC rules

Organic-Chemistry.org

Organic chemistry practice problems

Organic Reactions

Organic Syntheses

Patent Lens

Reaxys

R&D Chemical Suppliers Directory

Science of Synthesis

Spectral Database for Organic Compounds (SDBS)

SynOpen

The basics of NMR

The Glassware Gallery

The Organometallic HypertextBook

Web of Knowledge