Commonly occurring product ions for PC(36:0/28:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1217.0324Precursor ion [M.chloride]-
1167.0400Loss of CH3 and chloride from precursor ion
1095.9665Loss of choline and chloride from precursor ion
760.6226Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
742.6120Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
648.4974Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
630.4868Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
535.5460sn1 RCOO- ion
423.4208sn2 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