Elemental Composition Calculator v1.0
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Target mass:
+/-
amu
ppm
element
mass
min
max
options
C:
monoisotopic mass
average mass
offset mass
H:
N:
O:
S:
P:
user X:
user Y:
user Z:
written by
Jef Rozenski
(1999)
visit the
Nucleic Acids Masspec Toolbox