Commonly occurring product ions for PC(39:0/37:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1385.2202Precursor ion [M.chloride]-
1335.2278Loss of CH3 and chloride from precursor ion
1264.1543Loss of choline and chloride from precursor ion
802.6695Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
784.6590Neutral loss of sn2 RCOOH group, loss of CH3 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
577.5929sn1 RCOO- ion
549.5616sn2 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