Commonly occurring product ions for PC(20:2(11Z,14Z)/14:1(9Z)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
790.5159Precursor ion [M.chloride]-
740.5236Loss of CH3 and chloride from precursor ion
669.4501Loss of choline and chloride from precursor ion
532.3409Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
514.3303Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
450.2626Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
432.2521Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
307.2643sn1 RCOO- ion
225.1860sn2 RCOO- ion
224.0693Glycerophosphocholine with loss of CH3 and H2O
168.0431Phosphocholine with loss of CH3
152.9958Glycerol-3-phosphate ion with loss of H2O
96.9696H2PO4- ion (from phosphate)
78.9591PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases