Commonly occurring product ions for PC(17:2(9Z,12Z)/17:1(9Z))) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
790.5159Precursor ion [M.chloride]-
740.5236Loss of CH3 and chloride from precursor ion
669.4501Loss of choline and chloride from precursor ion
492.3096Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
490.2939Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
474.2990Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
472.2834Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
267.2330sn2 RCOO- ion
265.2173sn1 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