Commonly occurring product ions for PC(38:0/26:2(5Z,9E)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1213.0011Precursor ion [M.chloride]-
1163.0087Loss of CH3 and chloride from precursor ion
1091.9352Loss of choline and chloride from precursor ion
788.6539Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
770.6433Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
616.4348Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
598.4242Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
563.5773sn1 RCOO- ion
391.3582sn2 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