Commonly occurring product ions for PC(36:0/4:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
880.6568Precursor ion [M.chloride]-
830.6644Loss of CH3 and chloride from precursor ion
760.6226Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
759.5909Loss of choline and chloride from precursor ion
742.6120Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
535.5460sn1 RCOO- ion
312.1218Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
294.1112Neutral loss of sn1 RCOOH group, loss of CH3 and chloride 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)
87.0452sn2 RCOO- ion
78.9591PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases