System to describe the chemical formulas for WEB.
Attention! The site in the process of rebranding.
The old name easyChem was too common. New name: CharChem.
The site is already available via the new domain charchem.org, which soon will become the main. However, the old domain easychem.org will also be available.

Test stand

Dynamic display of formulas and chemical reactions, calculation of molecular mass and empirical formulas, etc. All calculations are done in the browser, without having to connect to the Internet.
Enter a text description of the formula:

Results

Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent