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elements & isotopes ▼

How to use:
  1. Type a chemical formula
  2. Composition, Mass Spec, and elemental analysis will be shown as you type
Reaction calculations (optional):
Alter the type of units as needed before converting

Chemical composition calculationsshare

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Reaction amounts (COSSH forms)

Mass used
unit
volume
unit
density
update
update the mass based on the mmol update the mmol based on the mass update the mmol based on the volume click to change
equiv
mmols
unit

Elemental analysis workup

C:
H:
N:

Composition

Condensed formula Composed of Mass Monoisotopic mass MSDS
Element
Number of Atoms
Atomic mass
Total Mass (amu)
% composition
 

[M+] prediction

Predicted Mass Spectrum for the molecular ion [M+].