System to describe the chemical formulas for WEB.

A new version of the CharChem 2.0 library has appeared

Sep 22, 2022
The new version allows you to display a better image of formulas. In addition, there are several additional features.
The new version is almost completely compatible with the description of formulas for older versions.
The site is currently being upgraded. This process may take some time. Therefore, a number of pages will still be displayed in the old way.