Commonly occurring product ions for PC(O-20:0/31:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1020.8496Precursor ion [M.chloride]-
970.8573Loss of CH3 and chloride from precursor ion
899.7838Loss of choline and chloride from precursor ion
522.3929Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
504.3823Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
465.4677sn2 RCOO- ion
433.3088Loss of choline, chloride and neutral loss of sn2 RCOOH group from precursor 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