Commonly occurring product ions for PG(22:2(13Z,16Z)/17:1(9Z))) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
813.5651
Precursor ion [M-H]-
739.5283
Loss of glycerol from precursor ion
563.3355
Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
545.3249
Neutral loss of sn2 RCOOH group from [M-H]-
495.2729
Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
489.2987
Loss of sn2 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
477.2623
Neutral loss of sn1 RCOOH group from [M-H]-
471.2881
Neutral loss of sn2 RCOOH group and glycerol from [M-H]-
421.2361
Loss of sn1 acyl chain as ketene (RCH=C=O) and glycerol from [M-H]-
403.2255
Neutral loss of sn1 RCOOH group and glycerol from [M-H]-
335.2956
sn1 RCOO- ion
267.2330
sn2 RCOO- ion
245.0432
Glycerophosphoglycerol ion
227.0326
Glycerophosphoglycerol ion -H2O
209.0221
Glycerophosphoglycerol ion -2H2O
152.9958
Glycerol-3-phosphate ion with loss of H2O
96.9696
H2PO4- ion (from phosphate)
78.9591
PO3- ion (from phosphate)
Note: Structures of product ions may represent one of a number of possible isobaric molecules in some cases
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