Commonly occurring product ions for PA(P-16:0/20:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
687.5334Precursor ion [M-H]-
393.2412Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
375.2306Neutral loss of sn2 RCOOH group from [M-H]-
311.2956sn2 RCOO- ion
171.0064Glycerol-3-phosphate ion
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