Commonly occurring product ions for PS(O-20:0/22:4(7Z,10Z,13Z,16Z)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 852.6124 | Precursor ion [M-H]- |  |
| 765.5804 | Loss of serine from precursor ion |  |
| 451.3194 | Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]- |  |
| 433.3088 | Neutral loss of sn2 RCOOH group and serine from [M-H]- |  |
| 331.2643 | sn2 RCOO- ion |  |
| 287.2744 | Loss of CO2 from sn2 RCOO- ion (PUFA) |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |