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Hardklör s a software application for the analysis of high- resolution mass spectra. Its primary function is the deconvolution and determination of monoisotopic mass and charge state of single and overlapping protein/peptide isotope distributions contained in a mass spectra.

In addition to Hardklör several auxiliary utilities have been written to facilitate incorporation of Hardklör results into your experiments. Hardklör has been used to identify isotopically labeled species and make comparative quantitative analyses between multiple sample.

For more information:

Licensing Information

Hardklör is one of the many software programs and tools created at the University of Washington available through our Express Licensing Program. These agreements have standard terms and conditions that allow for rapid licensing by companies, organizations, or individuals.

Academic License

An academic license is available to users at academic and nonprofit research institutions at no charge. Please click on the "License" button to access the academic license.


Commercial License

A commercial license to Hardklör is available at no charge. Please click on the "License" button to access the commercial license.


The conditions and financial terms of this license apply only to those who download the license, sign it and return it "as is" to UW CoMotion. Some Express Licenses may be modified for an additional cost. Other licensing arrangements may be available.

For Descriptive and Technical Information

Michael MacCoss
Department of Genome Sciences
University of WashingtonFoege Building S-250, Box 3550651705 NE Pacific St
Seattle, WA 98195-5065


For Licensing Information/Customer Service

Express Licensing Program
UW CoMotion
4545 Roosevelt Way NE, Suite 400
Phone: (206) 543-3970
Fax: (206) 616-3322