Commonly occurring product ions for PC(O-16:0/14:1(9Z)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
724.5053Precursor ion [M.chloride]-
674.5130Loss of CH3 and chloride from precursor ion
603.4395Loss of choline and chloride from precursor ion
466.3303Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
448.3197Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
377.2462Loss of choline, chloride and neutral loss of sn2 RCOOH group from precursor 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