Common Name
LM ID
Instrument
Adduct / Ion
Submitter
4-oxo DHA
Thermo Scientific Q Exactive Focus Orbitrap LC-MS/MS System
[M-H]-
Jean-Marie Galano.Ángel Sánchez Illana.Thierry Durand
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Structure
Common name
4-oxo DHA
LMID
Systematic name
4-oxo-5E,7Z,10Z,13Z,16Z,19Z-docosahexaenoic acid
m/z
341.2122
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
Thermo Scientific Q Exactive Focus Orbitrap LC-MS/MS System
Resolution
17000
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
30eV
Column
Kinetex EVO C18 (100 × 2.1 mm column 1.7 µm)
Mobile phase A
0.3 mL/min binary gradient using H2O (0.1% HCOOH)
Mobile phase B
CH3CN:CH3OH 8:2, (0.1% HCOOH)
Retention time (min)
18.57
Amount injected
5μl
DOI for method
Date acquired
October 2023
Submitters
Jean-Marie Galano.Ángel Sánchez Illana.Thierry Durand
Source of standard
Cayman
4-oxo DHA
Thermo Fisher Orbitrap ID-X Tribrid
[M-H]-
Jean-Marie Galano.Ángel Sánchez Illana.Thierry Durand
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Structure
Common name
4-oxo DHA
LMID
Systematic name
4-oxo-5E,7Z,10Z,13Z,16Z,19Z-docosahexaenoic acid
m/z
341.2121
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
Thermo Fisher Orbitrap ID-X Tribrid
Resolution
60000
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
stepped HCD collision energy 20–40–60%
Column
N/A
Mobile phase A
N/A
Mobile phase B
N/A
Retention time (min)
N/A
Amount injected
10 µL
DOI for method
Date acquired
October 2023
Submitters
Jean-Marie Galano.Ángel Sánchez Illana.Thierry Durand
Source of standard
Cayman