Welcome to Creative Peptides’s online peptide calculator. Use this free peptide tool to calculate the chemical formula and molecular weight of your peptide.
This online peptide calculator determines the chemical formula and molecular weight of your peptide of interest. You can include in your calculation post-translational modifications, such as N- and C-terminal modifications.
Instructions:
Input your peptide's sequence data.Please use only the one letter code specified on our Amino Acid Code Table.
Creative Peptides has accumulated a huge library of peptide knowledge including frontier peptide articles, application of peptides, useful tools, and more!
Elcatonin acetate, a physicochemically and biologically stable synthetic derivative of calcitonin transformed fr ...
Palmitoyl Pentapeptide, a peptide with significant biological activity, has attracted attention for its anti-aging effect on ...
Ecallantide, sold under the trade name Kalbitor, is a plasma kallikrein inhibitor, consisting of sixty amino aci ...
Obestatin is a 23-amino acid peptide hormone produced in specific epithelial cells of the stomach and small inte ...
The endocytosis of AMPA receptors (AMPARs) requires the GTPase activity of dynamin. Since it is now established ...