American Chemical Society -- Begin your search for high-quality chemistry information here with one of the best known or Chemistry organizations.
ASPET -- American Society for Pharmacology & Experimental Therapeutics, represents pharmacologists worldwide. The Society promotes research funding, holds scientific meetings, publishes scientific journals, and provides a number of services to its members.
American Chemistry Council -- The ACC website, called American Chemistry, is a resource for council information, chemical statistics and economy facts, with pages focusing on environment, health, water, and more.
Royal Society of Chemistry -- the worlds leading chemistry community, here is listed news, events, educational opportunities, membership information, resources, tools, databases - descriptions and at least one free one, books (including the Merck Index) and journals.
* Interactive Chemistry - at Serendip Studio, a digital ecosystem fueled by serendipity! This site is founded and supported by Bryn Mawr College with support from the Howard Hughes Medical Institute..
* Periodic Table of Videos - "The University of Nottingham, in England, has put a high-tech twist on the periodic table, creating a clickable version that points to short YouTube clips about each element. It features 118 videos, each about 2 minutes long. Scientists perform experiments with the elements or describe unusual properties of each one." (http://chronicle.com/wiredcampus/index.php?id=3265 ; August 22, 2008)
* Virtual Chemistry and Simulations - this page contains a dozen links to chemistry lesson video collections. A work of the American Chemical Society.
MIT OpenCourseWare - Lecture notes, video lectures, and other free resources for learning college-level chemistry from the Massachusettes Institute of Technology.Contains access to both undergratuate & graduate courses. Occasionally assignments and solutions are also available.