Commonly occurring product ions for PS(O-18:0/18:3(6Z,9Z,12Z))) (View full structure)
m/z
Ion Description
Structure (click to enlarge)
770.5342
Precursor ion [M-H]-
683.5021
Loss of serine from precursor ion
423.2881
Loss of sn2 acyl chain as ketene (RCH=C=O) and serine from [M-H]-
405.2775
Neutral loss of sn2 RCOOH group and serine from [M-H]-
277.2173
sn2 RCOO- ion
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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