Commonly occurring product ions for PC(26:1(5Z)/25:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1032.8133Precursor ion [M.chloride]-
982.8209Loss of CH3 and chloride from precursor ion
911.7474Loss of choline and chloride from precursor ion
618.4504Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
606.4504Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
600.4399Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
588.4399Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
393.3738sn1 RCOO- ion
381.3738sn2 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