Commonly occurring product ions for PA(O-16:0/20:1(11Z)) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
687.5334Precursor ion [M-H]-
395.2568Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
377.2462Neutral loss of sn2 RCOOH group from [M-H]-
309.2799sn2 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