Commonly occurring product ions for PC(12:0/20:4(5Z,8Z,11Z,14Z))) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
760.4690
Precursor ion [M.chloride]-
710.4766
Loss of CH3 and chloride from precursor ion
639.4031
Loss of choline and chloride from precursor ion
528.3096
Loss of sn1 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
510.2990
Neutral loss of sn1 RCOOH group, loss of CH3 and chloride from precursor ion
424.2470
Loss of sn2 acyl chain as ketene (RCH=C=O), CH3 and chloride from precursor ion
406.2364
Neutral loss of sn2 RCOOH group, loss of CH3 and chloride from precursor ion
303.2330
sn2 RCOO- ion
259.2431
Loss of CO2 from sn2 RCOO- ion (PUFA)
224.0693
Glycerophosphocholine with loss of CH3 and H2O
199.1704
sn1 RCOO- ion
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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