Commonly occurring product ions for PG(20:1(11E)/30:0) (View full structure)

m/zIon DescriptionStructure (click to enlarge)
971.7686Precursor ion [M-H]-
897.7318Loss of glycerol from precursor ion
679.4920Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
661.4814Neutral loss of sn1 RCOOH group from [M-H]-
605.4552Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
587.4446Neutral loss of sn1 RCOOH group and glycerol from [M-H]-
537.3198Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
519.3092Neutral loss of sn2 RCOOH group from [M-H]-
463.2830Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
451.4521sn2 RCOO- ion
445.2725Neutral loss of sn2 RCOOH group and glycerol from [M-H]-
309.2799sn1 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