Commonly occurring product ions for PC(18:0/20:5(9Z,11Z,13Z,15Z,17Z))) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 842.5472 | Precursor ion [M.chloride]- |  |
| 792.5549 | Loss of CH3 and chloride from precursor ion |  |
| 721.4814 | Loss of choline and chloride from precursor ion |  |
| 526.2939 | Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion |  |
| 508.3409 | Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion |  |
| 508.2834 | Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion |  |
| 490.3303 | Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion |  |
| 301.2173 | sn2 RCOO- ion |  |
| 283.2643 | sn1 RCOO- ion |  |
| 257.2275 | 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) |  |