RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0136253
RefMet name	Melanin
Systematic name	6,14-dimethyl-4,12-diazapentacyclo[8.6.1.1^{2,5}.0^{13,17}.0^{9,18}]octadeca-1(17),2,5,9(18),10,13-hexaene-7,8,15,16-tetrone
Synonyms	PubChem Synonyms
Exact mass	318.064058 (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	C18H10N2O4	View other entries in RefMet with this formula
Molecular descriptors
Molfile	38453 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C18H10N2O4/c1-5-13-9-7(3-19-13)12-10-8(11(9)17(23)15(5)21)4-20-14(10)6(2)16(22)18(12)24/h3-4,19-20H,1-2H3
InChIKey	XUMBMVFBXHLACL-UHFFFAOYSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	Cc1c2c3c(c[nH]2)c2c4c(c[nH]c4c(C)c(=O)c2=O)c3c(=O)c1=O Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Polyketides
Main Class	Aromatic polyketides
Sub Class	Anthracenes and phenanthrenes
Distribution of Melanin 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 Melanin
External Links
Pubchem CID	6325610
ChEBI ID	89634
KEGG ID	C05606
HMDB ID	HMDB0004068
Chemspider ID	4884931
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)