RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0201119
RefMet name	Usnic acid
Systematic name	2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one
Synonyms	PubChem Synonyms
Exact mass	344.089605 (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	C18H16O7	View other entries in RefMet with this formula
Molecular descriptors
Molfile	129154 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3
InChIKey	WEYVVCKOOFYHRW-UHFFFAOYSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	Cc1c(c(C(=O)C)c2c(c1O)C1(C)C(=CC(=C(C(=O)C)C1=O)O)O2)O Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Benzenoids
Main Class	Benzenes
Sub Class	Acetophenones
Distribution of Usnic 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 Usnic acid
External Links
Pubchem CID	24211
ChEBI ID	38319
ChEMBL DB	CHEMBL242022
Spectral data for Usnic acid standards
MassBank(EU)	View MS spectra
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)