Commonly occurring product ions for PC(P-16:1(11Z)/24:4(5Z,8Z,11Z,14Z)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
854.5836Precursor ion [M.chloride]-
804.5913Loss of CH3 and chloride from precursor ion
733.5178Loss of choline and chloride from precursor ion
462.2990Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
444.2884Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
373.2149Loss of choline, chloride and neutral loss of sn2 RCOOH group from precursor ion
359.2956sn2 RCOO- ion
315.3057Loss of CO2 from sn2 RCOO- ion (PUFA)
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