Commonly occurring product ions for PC(O-18:1(9Z)/20:4(5E,8E,11E,14E)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 828.5679 | Precursor ion [M.chloride]- |  |
| 778.5756 | Loss of CH3 and chloride from precursor ion |  |
| 707.5021 | Loss of choline and chloride from precursor ion |  |
| 492.3460 | Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion |  |
| 474.3354 | Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion |  |
| 403.2619 | Loss of choline, chloride and neutral loss of sn2 RCOOH group from precursor ion |  |
| 303.2330 | sn2 RCOO- ion |  |
| 259.2431 | Loss of CO2 from sn2 RCOO- ion (PUFA) |  |
| 224.0693 | Glycerophosphocholine with loss of CH3 and H2O |  |
| 168.0431 | Phosphocholine with loss of CH3 |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |