Commonly occurring product ions for PS(24:1(15Z)/36:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1124.9203Precursor ion [M-H]-
1037.8883Loss of serine from precursor ion
689.5491Loss of sn1 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
671.5385Neutral loss of sn1 RCOOH group and serine from [M-H]-
535.5460sn2 RCOO- ion
519.3456Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
501.3351Neutral loss of sn2 RCOOH group and serine from [M-H]-
365.3425sn1 RCOO- 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