Commonly occurring product ions for PC(O-18:0/0:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
544.3539Precursor ion [M.chloride]-
494.3616Loss of CH3 and chloride from precursor ion
423.2881Loss of choline and chloride from precursor ion
405.2775Loss of choline H2O 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)
78.9591PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases