Royal Society of Chemistry The leading organisation in Europe for advancing the chemical sciences. Activities span education and training, conferences and science policy, and the promotion of the chemical sciences to the public. http://www.rsc.org/

The Association of Formulation Chemists Provides multi-industry cross-fertilization by disseminating basic technical information on formulation technology pertaining to adhesives, drugs, cosmetics, pigments, foods, pesticides, and other applications. http://www.afc-us.org/

Analytical and Life Science Systems Association Primary association for companies that supply systems used for analysis and measurement in chemistry and life sciences. http://www.alssa.org/

Commercial Development and Marketing Association A professional association dedicated to fostering, promoting and sharing business processes for long term growth and value creation in the chemical and allied industries. http://cdmaonline.org/

Ethiopian Chemical Society in North America (ECSNA) A professional association of Ethiopian chemists and related professionals residing in North America. http://ourworld.cs.com/ecsna1/

International Union of Pure and Applied Chemistry (IUPAC) The world authority on chemical nomenclature, terminology, standardized methods for measurement, atomic weights and other critically evaluated data. http://www.iupac.org/

International Organization for Chemical Sciences in Development Helping developing countries build capacity in chemistry. http://www.iocd.unam.mx/

Federation of the Belgian Chemical Industries (Fedichem) Represents and defends the country's second-ranking industrial sector, the chemical industry. http://www.fedichem.be/

European Society for Applied Physical Chemistry Works to promote applied physical chemistry through networking, conferences and education. http://www.eurostar-science.org/

European Chemical Industry Council (CEFIC) Provides a thorough overview of the chemical industry in Europe. Includes news, updates, statistics, and educational information. http://www.cefic.be/

The Adhesion Society Organization of scientists and others dedicated to scientific and technical issues related to the science and technology of adhesion. http://www.adhesionsociety.org/

European Federation for Medicinal Chemistry (EFMC) Works to advance the science of medicinal chemistry by promoting cooperation between the member organisations. http://www.efmc.ch/

The Oxygen Society Professional organization of scientists, researchers and clinicians with an interest in the field of free radical biology, chemistry and medicine. http://www.oxygensociety.org/

New Zealand Institute of Chemistry (NZIC) Represents the profession and practice of chemistry in New Zealand. http://www.nzic.org.nz

African Association of Pure and Applied Chemistry (AAPAC) List of universities in Africa where active chemistry teaching and research are carried out. Includes equipment held, degrees offered, staff members, research interests, and recent research papers. http://www.und.ac.za/und/aapac

International Society for Polycyclic Aromatic Compounds (ISPAC) Encourages research on, reviews, compiles and disseminates information on, and provides leadership in the field of Polycyclic Aromatic Compounds. http://ispac.tor.ec.gc.ca

The North American Catalysis Society (NACS) Publishes a quarterly newsletter with news of club activities, announcements of meetings and other news of interest to those involved in catalytic science. In addition, the society gives four major awards in catalysis and holds a major scientific meeting every two years. http://www.nacatsoc.org

International Society of Heterocyclic Chemistry Membership information of the association. http://euch6f.chem.emory.edu/ishc.html

Serbian Chemical Society History, journal, free download of the articles from the journal, sections, and affiliates of this professional society. http://www.shd.org.yu

Swiss Society for Thermal Analysis and Calorimetry (STK) Promotes research in thermal analysis and chemical thermodynamics for members from industry and universities by conferences, symposia and scientific exchange. STK is related to ICTAC and ESTAC. http://www.stk-online.ch