About.com - Organic Chemistry - Information about the chemistry of carbon and life. Features lectures, notes, structures, and labs.
ACS Organic Division - The Division of Organic Chemistry of the American Chemical Society. Provides important information and announcements on the divisions activities and member benefits.
Arkat Foundation - Free ARKIVOC online journal and online education in chemistry.
Chirality and Odour Perception - Odor descriptions and molecular visualization of chiral flavor and fragrance chemicals.
CombiChem Lab - Reviews, links and news in combinatorial chemistry, high and ultra-high throughput screening, and lab automation.
Combinatorial Chemistry Notes - Short descriptions of the history and methods used in combichem as well as events and related links.
Combinatorial Chemistry Review - Provides a basic introduction to the field of combinatorial chemistry describing the development of major techniques and some applications.
Jamaican Themes for Lecture Material - The chemistry of Jamaican alumina, spices, coffee, rum, synfuel, marine natural products, and herbal remedies.
Organic Chemistry Portal - Includes a searchable literature index, named reactions and protecting groups as well as a chemical database.
Organic Name Reactions - Schematic representation of about 140 organic name reactions with references. Some of the schemes are animated.
ORGLIST Archive - Discussion list of nearly 500 organic chemists worldwide. Join this community or search their previous discussions by author, subject, date, or thread.
Orthogonal Glycosylation - Presentation of the orthogonal coupling chemistry. A concept, detailed report, and slides are provided.
Porphynet - Portal of porphyrins and related molecules.