Commonly occurring product ions for PG(P-16:1(11Z)/36:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
983.8050Precursor ion [M-H]-
909.7682Loss of glycerol from precursor ion
535.5460sn2 RCOO- ion
465.2623Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
447.2517Neutral loss of sn2 RCOOH group from [M-H]-
391.2255Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
373.2149Neutral loss of sn2 RCOOH group and glycerol from [M-H]-
245.0432Glycerophosphoglycerol ion
227.0326Glycerophosphoglycerol ion -H2O
209.0221Glycerophosphoglycerol ion -2H2O
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