Commonly occurring product ions for PG(14:0/0:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
455.2416Precursor ion [M-H]-
245.0432Glycerophosphoglycerol ion
245.0432Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
227.2017sn1 RCOO- ion
227.0326Glycerophosphoglycerol ion -H2O
227.0326Neutral loss of sn1 RCOOH group from [M-H]-
209.0221Glycerophosphoglycerol ion -2H2O
171.0064Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
152.9958Glycerol-3-phosphate ion with loss of H2O
152.9958Neutral loss of sn1 RCOOH group and glycerol from [M-H]-
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