Peptide Molecular Weight Calculator

Peptide Calculator

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.

* Please kindly note that our products and services can only be used to support research purposes (Not for clinical use).

Resource

Creative Peptides has accumulated a huge library of peptide knowledge including frontier peptide articles, application of peptides, useful tools, and more!

Thyrotropin releasing hormone-protirelin

Protirelin is also known as thyrotropin releasing hormone (TRH), a peptide hormone secreted by the hypothalamus. ...

Function of Timonacic in Cancer

Timonacic's chemical name, L-Syrosin-4, is a new anti-tumor drug that converts cancer cells into normal cells. E ...

A Cellular Gβγ Antagonist, GRK2i

GRK2i, a GRK2 inhibitory polypeptide, specifically inhibits Gβγ activation of GRK2. It corresponds to the Gβγ-bi ...

A novel antiarrhythmic peptide–rotigaptide

Rotigaptide is a novel antiarrhythmic peptide that enhances gap junction (GJ) intercellular conductance between cardiomyocy ...

Function of dipeptide diaminobutyroyl benzylamide diacetate in skin

Dipeptide diaminobutyroyl benzylamide diacetate, often marketed under the name Syn-Ake, is a synthetic peptide that mimics th ...