Commonly occurring product ions for PG(26:1(5Z)/34:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
1111.9251Precursor ion [M-H]-
1037.8883Loss of glycerol from precursor ion
735.5546Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
717.5440Neutral loss of sn1 RCOOH group from [M-H]-
661.5178Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
643.5072Neutral loss of sn1 RCOOH group and glycerol from [M-H]-
621.4137Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
603.4031Neutral loss of sn2 RCOOH group from [M-H]-
547.3769Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
529.3664Neutral loss of sn2 RCOOH group and glycerol from [M-H]-
507.5147sn2 RCOO- ion
393.3738sn1 RCOO- ion
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