Commonly occurring product ions for PC(17:2(9Z,12Z)/34:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1030.7976Precursor ion [M.chloride]-
980.8053Loss of CH3 and chloride from precursor ion
909.7318Loss of choline and chloride from precursor ion
732.5913Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
714.5807Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
507.5147sn2 RCOO- ion
490.2939Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
472.2834Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor 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