RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0151648
RefMet name	Octadecatetraenoic acid
Alternative name	FA 18:4
Sum Composition	FA 18:4	View other entries in RefMet with this sum composition
Exact mass	276.208930 (neutral)	Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M+2K-H]+ [M+Na]+ [M+2Na]2+ [M+2Na-H]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M.CH3]+ [M+Ag]+ [M+H+CH3OH]+ [M+H+CH3CN]+ [M+H+2CH3CN]+ [M+Na+CH3CN]+ [M.NaFormate+H]+ [M.NH4Formate+H]+ [M.TMSi]+ [M.tBuDMSi]+ [M+H-Hexose]+ [M+H-EtnP]+ [M+H-SerP]+ [M-H]- [M-H-H2O]- [M-CH3]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+Na-2H]- [M+K-2H]- [M.Formate]- [M.NaFormate-H]- [M.NH4Formate-H]- [M.F]- [M-H-Ser]- [M.HF2]- M(neutral)    View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
Formula	C18H28O2	View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super Class	Fatty Acyls
Main Class	Fatty acids
Sub Class	Unsaturated FA
Distribution of Octadecatetraenoic acid in NMDR studies
Species	Plot Species distribution
Sample source	Plot Sample source(tissue) distribution
Platform	Platform (MS/NMR) used for detection
Chromatography	Chromatography methods used for detection
Studies	NMDR Studies reporting Octadecatetraenoic acid
External Links
Structural annotation level
Annotation level	3   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Abbrev	# of Studies	Refmet name(exact structures)	Systematic name
FA 18:4	120	Stearidonic acid	6Z,9Z,12Z,15Z-octadecatetraenoic acid
FA 18:4	8	9,12-Octadecadiynoic acid	9,12-octadecadiynoic acid
FA 18:4	3	3,6-Octadecadiynoic acid	3,6-octadecadiynoic acid
FA 18:4	1	8,10-Octadecadiynoic acid	8,10-octadecadiynoic acid