RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0135490
RefMet name	Cer 18:1;O2/25:0
Alternative name	Cer(d18:1/25:0)
Systematic name	N-(pentacosanoyl)-sphing-4-enine
Synonyms	PubChem Synonyms
Sum Composition	Cer 43:1;O2	View other entries in RefMet with this sum composition
Exact mass	663.652944 (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	C43H85NO3	View other entries in RefMet with this formula
Molecular descriptors
Molfile	30573 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C43H85NO3/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-27-29-31-33-35-37-39-43(47)44-41(40-45)42(46)38-36-34-32-30-28-2 6-16-14-12-10-8-6-4-2/h36,38,41-42,45-46H,3-35,37,39-40H2,1-2H3,(H,44,47)/b38-36+/t41-,42+/m0/s1
InChIKey	QHPYSHVSWAOLHS-PVNBSDFKSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	CCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H](/C=C/CCCCCCCCCCCCC)O Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Sphingolipids
Main Class	Ceramides
Sub Class	Cer (Ceramides)
Distribution of Cer 18:1;O2/25:0 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 Cer 18:1;O2/25:0
External Links
Pubchem CID	9547202
LIPID MAPS	LMSP02010013
ChEBI ID	134548
KEGG ID	C00422
HMDB ID	HMDB0004957
Chemspider ID	7826144
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Cer 18:1;O2/25:0

Rxn ID	KEGG Reaction	Enzyme
R01350	Glycerol + Fatty acid <=> Triacylglycerol	Glycerol acylhydrolase
R02250	Triacylglycerol + H2O <=> 1,2-Diacyl-sn-glycerol + Fatty acid	triacylglycerol acylhydrolase
R02251	Triacylglycerol + CoA <=> 1,2-Diacyl-sn-glycerol + Acyl-CoA	acyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
R05333	Phospholipid + 1,2-Diacyl-sn-glycerol <=> Lysophospholipid + Triacylglycerol	Phospholipid:1,2-diacyl-sn-glycerol O-acyltransferase

Table of KEGG human pathways containing Cer 18:1;O2/25:0

Pathway ID	Human Pathway	# of reactions
hsa00561	Glycerolipid metabolism	3
hsa01100	Metabolic pathways	1