Commonly occurring product ions for PG(13:0/37:0) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 973.7842 | Precursor ion [M-H]- |  |
| 899.7474 | Loss of glycerol from precursor ion |  |
| 777.6015 | Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 759.5909 | Neutral loss of sn1 RCOOH group from [M-H]- |  |
| 703.5647 | Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]- |  |
| 685.5542 | Neutral loss of sn1 RCOOH group and glycerol from [M-H]- |  |
| 549.5616 | sn2 RCOO- ion |  |
| 441.2259 | Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 423.2153 | Neutral loss of sn2 RCOOH group from [M-H]- |  |
| 367.1891 | Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]- |  |
| 349.1786 | Neutral loss of sn2 RCOOH group and glycerol from [M-H]- |  |
| 245.0432 | Glycerophosphoglycerol ion |  |
| 227.0326 | Glycerophosphoglycerol ion -H2O |  |
| 213.1860 | sn1 RCOO- ion |  |
| 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) |  |