iso2l (ˈaisəutuːl, spoken isotool) is an easy to use software to calculate the isotopic distribution of a chemical formula or an amino acid chain.

It was first developed in a little group of three student as a project in the third semester of our bioinformatics study at the Martin-Luther-Universität Halle-Wittenberg. This team contained:

The first version from year 2007 was revived in 2011 by myself to delete some bugs and add some special new features. All versions are available in the Download section.

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