Commonly occurring product ions for PC(37:0/36:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1343.1732Precursor ion [M.chloride]-
1293.1809Loss of CH3 and chloride from precursor ion
1222.1074Loss of choline and chloride from precursor ion
774.6382Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
760.6226Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
756.6277Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
742.6120Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
549.5616sn1 RCOO- ion
535.5460sn2 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