Commonly occurring product ions for PC(O-12:0/2:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
502.2706Precursor ion [M.chloride]-
452.2783Loss of CH3 and chloride from precursor ion
410.2677Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
392.2571Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
381.2048Loss of choline and chloride from precursor ion
321.1836Loss 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)
59.0139sn2 RCOO- ion
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases