Commonly occurring product ions for PC(18:4(6Z,9Z,12Z,15Z)/18:4(6Z,9Z,12Z,15Z)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 808.4690 | Precursor ion [M.chloride]- |  |
| 758.4766 | Loss of CH3 and chloride from precursor ion |  |
| 687.4031 | Loss of choline and chloride from precursor ion |  |
| 500.2783 | Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion |  |
| 500.2783 | Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion |  |
| 482.2677 | Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion |  |
| 482.2677 | Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion |  |
| 275.2017 | sn2 RCOO- ion |  |
| 275.2017 | sn1 RCOO- ion |  |
| 231.2118 | Loss of CO2 from sn2 RCOO- ion (PUFA) |  |
| 231.2118 | Loss of CO2 from sn1 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) |  |