International society of clinical laboratory professionals, physicians, research scientists and medics involved with related disciplines.

Site stocked with Chemistry updates, news, research and career information.

The global professional community for nearly 40,000 chemical engineers in 93 countries. AIChE provides members with technical resources as well as tools to manage their careers and lives.

The American Institute of Chemists (AIC) is a national, non-profit organization. The purpose is to promote the relevance of the chemical profession and its practitioners to society.

was formed in 1969 to promote and disseminate knowledge of mass spectrometry and allied topics. Their interests include advancement of techniques and instrumentation in mass spectrometry, as well as fundamental research in chemistry, geology, forensics, biological sciences and physics.

AOAC serves as the primary resource for timely knowledge exchange, networking, and high-quality laboratory information for its members and customers.

ECS disseminates information through memberships, student services, technical journals, a quarterly news magazine, books, technical meetings, awards; and to provide networking contacts through ECS’s Divisions and Sections. Learn more about ECS history from the History Center.

The world authority on chemical nomenclature, terminology, standardized methods for measurement, atomic weights and other critically evaluated data.

U.S. government agency responsible for promoting science and engineering through programs that invest money in research and education projects in science.

The leading organisation in Europe for advancing the chemical sciences. Activities span education and training, conferences and science policy.

"An attempt to present a comprehensive list of analytical chemistry resources on the Internet" created by Umea University in Sweden.

offers spectroscopy information, resources and services. Techniques covered include: Mass Spectrometry, X-ray Spectrometry, NMR, Chemometrics, Infrared, Atomic Spectrometry, Raman Spectrometry, Ultraviolet, MRI, and Proteomics.

A website dedicated to learning about biochemistry, maintained by a faculty member at Saint John's University.

Feature from American Chemical Society's journal, Chemical and Engineering News. Explains chemistry of animals, saliva, bee chemistry, and much, much more.

A repository of information relative to the nomenclature of enzymes.

Database of chemical compounds and reactions in biological pathways, designed to provide the linkage between chemical and biological aspects of life in the light of enzymatic reactions.

A free service to view and retrieve structures, made by ​​The Cambridge Crystallographic Data Centre (CCDC).

Here you will find exemplary digital resources, tools, and online services—your 24:7 aid for teaching and learning chemistry. A collaborative, community-driven effort, ChemEd DL is the place for sharing your work and benefitting from what others have done.

College-level chemistry site: bonding, organic, inorganic chemistry, instrumental analysis, more.

Site by ChemPubSoc Europe and Wiley publishers to bring you news and "a taster of the "EarlyView" articles of all Wiley chemistry journals: articles published online in advance of their print publication".

This "reference text" is intended to serve either as a supplement to a regular textbook or as a substitute for one.

"ChemSpider is a free-to-access collection of compound data from across the web. It aggregates chemical structures and their associated information into a single searchable repository and makes it available to everybody. ChemSpider builds on the collected sources by adding additional properties, related information and links back to original data sources."

The latest scientific papers and reports in many disciplines by AAAS, the science society.

covers many aspects of chemistry and physics by Georgia State University.

NSDL is the Nation's online library for education and research in Science, Technology, Engineering, Mathematics.

This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST (The National Institute of Standards and Technology) under the Standard Reference Data Program.

PubChem is world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.

Part of the Agency Science Network. "Delivers breaking news about the latest scientific discoveries."

This site offers animations, an introduction to chemistry, modules on important topics in chemistry, demonstrations of laboratory techniques, NMR spectral data and problems, and so on.

Eric Weisstein's World of Chemistry site provides informative tutorials on Organic Chemistry, Geology, Quantum Chemistry and many other pertient subjects.

This University of Alabama resource contains biographical information on women scientists throughout history.

A great cache of chemical history developed by Columbia University.

Element facts by Anne Marie Helmenstine, Ph.D.

The American Chemical Society's webpages on Chemistry's history.

"Most of the entries reside either at the Classic Chemistry site at Le Moyne College or on the historical papers section of John Park's ChemTeam site."

This periodic table includes information on each element and its commonly associated chemical products. It also features recent research on each element and product.

The University Of Nottingham created 5 minute videos about each element, including experiments, applications, history and more.

This contains many thousands of pages of text, stories, pictures, and data that you get to by clicking on the individual elements on the front page. A commercial website that includes detailed technical data about the elements.

Commercial site devoted to explaining the essential data and descriptions of the elements in the periodical table.

A community for teachers and students of Inorganic Chemistry.

From thoughtco.com, learn about the basic concepts of inorganic chemistry.

NMR database for organic structures and their nuclear magentic resonance (nmr) spectra.

The Organic Chemistry Portal offers an overview of recent topics, interesting reactions, and information on the most important chemiicals. Includes a tool that lets you draw chemical structures.

"Organic Chemistry Resources Worldwide is an intuitive reference guide for synthetic organic chemists. The site is structured around the daily tasks an organic chemist has to perform. The site is top-referred in search engines for searches on different topics concerning organic chemistry, such as organic chemistry conferences, jobs for organic chemists, organic chemistry patents, organic chemistry exhibitions .."

This 2483 compound database has been compiled by Harold M. Bell at Virginia Tech.

Organic Syntheses provides the chemistry community with annual collections of detailed, reliable, and carefully checked procedures for the synthesis of organic compounds.

A hypertext guide to Organometallic Chemistry, useful as a study aid or introduction to the subject.

Database of organic spectra, with thousands of IR, 1H-NMR, 13C-NMR, mass, and ESR spectra.

Tom Stanfill's Creative Solution's site brings animation to the song. Feel free to sing along with Tom Lehrer's song....

HSDB is a comprehensive, peer-reviewed toxicology data for about 5,000 chemicals. . It is enhanced with information on human exposure, industrial hygiene, emergency handling procedures, environmental fate and regulatory requirements.

Chemical safety information from intergovernmental organizations. Access to peer-reviewed information about chemical safety

Created by Princeton University, this guide will walk you through the basics for safely handling laboratory chemicals and equipment. The Introduction section has several references to Princeton-use the links on the left for more general information.

Materials Safety Data Sheets available online.

This site is a simple calculator for determining the molecular weight of compounds.

A free program for Microsoft Windows that can calculate the molecular weight and percent composition of chemical formulas and amino acids, providing a graphical user interface to edit the formulas and parsing options. It recognizes user-definable abbreviations, custom elemental isotopes, and can display up to 20 compounds simultaneously. It also includes a Mole/Mass Converter, Formula Finder, Capillary Flow Modeler, Amino Acid Notation Converter, Peptide Sequence Fragmentation Modeler, and built-in calculator.

The Biological Magnetic Resonance Data Bank from the University of Wisconsin System has an online Molecular Mass Calculator. See Instructions here.

NSF's goal is to support the people, ideas and tools that together make discovery possible. That's why we say NSF is "where discoveries begin." Learn about many of the advances made possible with NSF support in "Discoveries." If you're looking for a specific discovery, please use the Discovery search page.

Brought to you by the Physics in Society team at the Insitute of Physics. Let them be your guide and show you the best physics places on the web. All the sites in this database have been checked for accuracy and sorted into suitability for different age groups and levels of knowledge.

Find out how physics is part of your world. We answer your questions on how things work and keep you informed with daily updates on physics in the news."

This is a comprehensive physics and astronomy online education, research and reference web site. In addition to providing high-quality content, PhysLink.com is a meeting place for professionals, students and other curious minds.

features interactive chemistry tutorials, and excellent online stoichiometry unit, and a virtual lab, funded by the National Science Foundation and National Science Digital Library.

Available from the Univeristy of Alberta, these videos demonstrate various techniques that you will use in the organic chemistry laboratory.

Videos from Nature magazine.

A collection of 26 half hour videos covering topics such as atoms/molecules, bonding, metals, polymers, genetic dode and more. To view, click on the "VoD" box.

The Royal Institution of Great Britain has been making science content for about 200 years, and is now on YouTube.

Chemistry trivia quiz, a resource for students and teachers of introductory chemistry by Fred Senese at Frostburg State University.

ChemCollective tutorials walk students through solving chemistry problems movies, text, and interactive tutors. Because the hints given by these tutors ultimately provide the solution to the problem, they are similar to worked examples in a textbook.