Commonly occurring product ions for PC(8:0/8:0)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
544.2812Precursor ion [M.chloride]-
494.2888Loss of CH3 and chloride from precursor ion
423.2153Loss of choline and chloride from precursor ion
368.1844Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
368.1844Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
350.1738Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
350.1738Neutral 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
143.1078sn2 RCOO- ion
143.1078sn1 RCOO- ion
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