Commonly occurring product ions for PG(P-18:0/18:3(9Z,12Z,15Z)) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 755.5233 | Precursor ion [M-H]- |  |
| 681.4865 | Loss of glycerol from precursor ion |  |
| 495.3092 | Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 477.2987 | Neutral loss of sn2 RCOOH group from [M-H]- |  |
| 421.2725 | Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]- |  |
| 403.2619 | Neutral loss of sn2 RCOOH group and glycerol from [M-H]- |  |
| 277.2173 | sn2 RCOO- ion |  |
| 245.0432 | Glycerophosphoglycerol ion |  |
| 227.0326 | Glycerophosphoglycerol ion -H2O |  |
| 209.0221 | Glycerophosphoglycerol ion -2H2O |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |