Commonly occurring product ions for PA(18:3(6Z,9Z,12Z)/18:0)) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
697.4814
Precursor ion [M-H]-
437.2674
Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
431.2204
Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
419.2568
Neutral loss of sn1 RCOOH group from [M-H]-
413.2099
Neutral loss of sn2 RCOOH group from [M-H]-
283.2643
sn2 RCOO- ion
277.2173
sn1 RCOO- ion
171.0064
Glycerol-3-phosphate ion
152.9958
Glycerol-3-phosphate ion with loss of H2O
96.9696
H2PO4- ion (from phosphate)
78.9591
PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases
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