Molecular Mass Calculator by Christoph Gohlke

Hill notation: CuH10O9S

Average mass: 249.6850

Monoisotopic mass: 248.9342

Nominal mass: 249

Elemental Composition

Element Number Relative mass Fraction %
Cu 1 63.5460 25.4505
H 10 10.0794 4.0368
O 9 143.9946 57.6705
S 1 32.0650 12.8422
Total 21 249.6850 100.0000

Mass Distribution

Most abundant mass: 248.9342 (64.167%)

Mean mass: 249.6858

Relative mass Fraction % Intensity
248.9342 64.167070 100.000000
249.9355 0.807502 1.258436
250.9324 32.689658 50.944601
251.9339 0.387679 0.604172
252.9308 1.899742 2.960619
253.9356 0.012778 0.019913
254.9327 0.035051 0.054625
255.9379 0.000183 0.000285
256.9355 0.000334 0.000520
257.9409 0.000001 0.000002
258.9389 0.000002 0.000003
259.9445 0.000000 0.000000
260.9429 0.000000 0.000000