Commonly occurring product ions for PG(6:0/6:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
441.1895Precursor ion [M-H]-
367.1527Loss of glycerol from precursor ion
343.1164Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
343.1164Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
325.1058Neutral loss of sn2 RCOOH group from [M-H]-
325.1058Neutral loss of sn1 RCOOH group from [M-H]-
269.0796Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
269.0796Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
251.0690Neutral loss of sn2 RCOOH group and glycerol from [M-H]-
251.0690Neutral loss of sn1 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
115.0765sn2 RCOO- ion
115.0765sn1 RCOO- ion
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