Commonly occurring product ions for PE(12:0/17:0) (View full structure)
| m/z | Ion Description | Structure (click to enlarge) |
|---|---|---|
| 648.4610 | Precursor ion [M-H]- |  |
| 466.2939 | Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 448.2834 | Neutral loss of sn1 RCOOH group from [M-H]- |  |
| 396.2157 | Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]- |  |
| 378.2051 | Neutral loss of sn2 RCOOH group from [M-H]- |  |
| 269.2486 | sn2 RCOO- ion |  |
| 199.1704 | sn1 RCOO- ion |  |
| 152.9958 | Glycerol-3-phosphate ion with loss of H2O |  |
| 140.0118 | Ethanolamine phosphate ion |  |
| 122.0013 | Ethanolamine phosphate ion with loss of H2O |  |
| 96.9696 | H2PO4- ion (from phosphate) |  |
| 78.9591 | PO3- ion (from phosphate) |  |