RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0140444
RefMet name	Methyleneoxopentanedioic acid
Sum Composition	FA 6:3;O3	View other entries in RefMet with this sum composition
Exact mass	158.021525 (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	C6H6O5	View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super Class	Fatty Acyls
Main Class	Fatty acids
Sub Class	Dicarboxylic acids
Distribution of Methyleneoxopentanedioic 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 Methyleneoxopentanedioic 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 6:3;O3	55	4-Oxalocrotonic acid	(E)-5-oxohex-2-enedioic acid
FA 6:3;O3	10	2-Methylene-4-oxopentanedioic acid	2-methylene-4-oxo-pentanedioic acid