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MolE - Molecular Mass Calculator v2.02
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Elemental composition:
(case sensitive, e.g. C2H3O2Na)
monoisotopic mass
average mass
select an element ->
To change masses: select an element, enter a mass and click on 'put mass'. The user defined element 'X' can be entered the same way. Note that each element has two masses: an average and a monoisotopic mass.
written by
Jef Rozenski
(1999)
visit the
Nucleic Acids Masspec Toobox