Commonly occurring product ions for PC(22:1(11Z)/22:2(13Z,16Z))) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
930.6724Precursor ion [M.chloride]-
880.6801Loss of CH3 and chloride from precursor ion
809.6066Loss of choline and chloride from precursor ion
562.3878Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
560.3722Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
544.3773Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
542.3616Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
337.3112sn1 RCOO- ion
335.2956sn2 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