Commonly occurring product ions for PI(18:3(9Z,12Z,15Z)/22:1(11Z))) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
913.5812
Precursor ion [M-H]-
751.5283
Loss of inositol from [M-H]-
653.3671
Loss of sn1 acyl chain as ketene (RCH=C=O) from [M-H]-
635.3566
Neutral loss of sn1 RCOOH group from [M-H]-
593.2732
Loss of sn2 acyl chain as ketene (RCH=C=O) from [M-H]-
575.2627
Neutral loss of sn2 RCOOH group from [M-H]-
491.3143
Loss of sn1 acyl chain as ketene (RCH=C=O) and inositol from [M-H]-
473.3038
Neutral loss of sn1 RCOOH group and inositol from [M-H]-
431.2204
Loss of sn2 acyl chain as ketene (RCH=C=O) and inositol from [M-H]-
413.2099
Neutral loss of sn2 RCOOH group and inositol from [M-H]-
337.3112
sn2 RCOO- ion
315.0487
Glycerophosphoinositol -H2O
297.0381
Glycerophosphoinositol -2H2O
277.2173
sn1 RCOO- ion
259.0225
Inositol phosphate ion
241.0119
Inositol phosphate ion - H2O
223.0013
Inositol phosphate ion - 2 H2O
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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