Commonly occurring product ions for PC(35:0/4:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
866.6411Precursor ion [M.chloride]-
816.6488Loss of CH3 and chloride from precursor ion
746.6069Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
745.5753Loss of choline and chloride from precursor ion
728.5964Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
521.5303sn1 RCOO- ion
312.1218Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
294.1112Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor 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)
87.0452sn2 RCOO- ion
78.9591PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases