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Journal of Business Chemistry
American Chemical Society
ACS is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.
American Institute of Physics
Promotes the advancement and diffusion of the knowledge of physics and its application to human welfare. It is the mission of the Institute to serve the sciences of physics and astronomy by serving its member societies, by serving individual scientists, and by serving students and the general public.
Martindale's Chemistry Center
A large array of calculators, applets, spreadsheets,
and where applicable: courses, manuals,
handbooks, simulations, animations, videos, etc.
Royal Society of Chemistry
The RSC is the largest organisation in Europe for advancing the chemical sciences.