Commonly occurring product ions for PC(P-16:0/29:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
934.7401Precursor ion [M.chloride]-
884.7478Loss of CH3 and chloride from precursor ion
813.6743Loss of choline and chloride from precursor ion
464.3147Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
446.3041Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
437.4364sn2 RCOO- ion
375.2306Loss 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