Commonly occurring product ions for PC(14:0/37:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1034.8289Precursor ion [M.chloride]-
984.8366Loss of CH3 and chloride from precursor ion
913.7631Loss of choline and chloride from precursor ion
774.6382Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
756.6277Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
549.5616sn2 RCOO- ion
452.2783Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
434.2677Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
227.2017sn1 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