Commonly occurring product ions for PC(0:0/5:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
341.1609Precursor ion [M+]-
326.1374Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and from precursor ion
326.1374Loss of CH3 and from precursor ion
308.1269Neutral loss of sn1 RCOOH group, loss of CH3 and from precursor ion
255.0639Loss of choline and from precursor ion
242.0799Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and from precursor ion
224.0693Glycerophosphocholine with loss of CH3 and H2O
224.0693Neutral loss of sn2 RCOOH group, loss of CH3 and from precursor ion
168.0431Phosphocholine with loss of CH3
152.9958Glycerol-3-phosphate ion with loss of H2O
101.0608sn2 RCOO- ion
96.9696H2PO4- ion (from phosphate)
78.9591PO3- ion (from phosphate)
0.0006sn1 RCOO- ion
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases