Commonly occurring product ions for PG(11:0/33:0) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 889.6903 | Precursor ion [M-H]- |  |
| 815.6535 | Loss of glycerol from precursor ion |  |
| 721.5389 | Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 703.5283 | Neutral loss of sn1 RCOOH group from [M-H]- |  |
| 647.5021 | Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]- |  |
| 629.4916 | Neutral loss of sn1 RCOOH group and glycerol from [M-H]- |  |
| 493.4990 | sn2 RCOO- ion |  |
| 413.1946 | Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 395.1840 | Neutral loss of sn2 RCOOH group from [M-H]- |  |
| 339.1578 | Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]- |  |
| 321.1473 | Neutral loss of sn2 RCOOH group and glycerol from [M-H]- |  |
| 245.0432 | Glycerophosphoglycerol ion |  |
| 227.0326 | Glycerophosphoglycerol ion -H2O |  |
| 209.0221 | Glycerophosphoglycerol ion -2H2O |  |
| 185.1547 | sn1 RCOO- ion |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |