Commonly occurring product ions for PC(18:3(9Z,12Z,15Z)/18:3(6Z,9Z,12Z))) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
812.5003
Precursor ion [M.chloride]-
762.5079
Loss of CH3 and chloride from precursor ion
691.4344
Loss of choline and chloride from precursor ion
502.2939
Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
502.2939
Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
484.2834
Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
484.2834
Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
277.2173
sn2 RCOO- ion
277.2173
sn1 RCOO- ion
224.0693
Glycerophosphocholine with loss of CH3 and H2O
168.0431
Phosphocholine with loss of CH3
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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