Commonly occurring product ions for PC(10:0/10:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
565.3749Precursor ion [M+]-
550.3514Loss of CH3 and from precursor ion
479.2779Loss of choline and from precursor ion
396.2157Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and from precursor ion
396.2157Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and from precursor ion
378.2051Neutral loss of sn2 RCOOH group, loss of CH3 and from precursor ion
378.2051Neutral loss of sn1 RCOOH group, loss of CH3 and from precursor ion
224.0693Glycerophosphocholine with loss of CH3 and H2O
171.1391sn2 RCOO- ion
171.1391sn1 RCOO- ion
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