RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0135542
RefMet nameSM 18:1;O2/12:0
Alternative nameSM(d18:1/12:0)
Systematic nameN-(dodecanoyl)-sphing-4-enine-1-phosphocholine
SynonymsPubChem Synonyms
Sum CompositionSM 30:1;O2 View other entries in RefMet with this sum composition
Exact mass646.504976 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC35H71N2O6PView other entries in RefMet with this formula
Molecular descriptors
Molfile30727 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C35H71N2O6P/c1-6-8-10-12-14-16-17-18-19-21-22-24-26-28-34(38)33(32-43-44(40,41)42-31-30-37(3,4)5)36-35(39)29-27-25-23-20-
15-13-11-9-7-2/h26,28,33-34,38H,6-25,27,29-32H2,1-5H3,(H-,36,39,40,41)/b28-26+/t33-,34+/m0/s1
InChIKeyHZCLJRFPXMKWHR-FEBLJDHQSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCC/C=C/[C@H]([C@H](COP(=O)([O-])OCC[N+](C)(C)C)NC(=O)CCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassPhosphosphingolipids
Sub ClassSM (Sphingomyelins)
Distribution of SM 18:1;O2/12:0 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
PlatformPlatform (MS/NMR) used for detection
ChromatographyChromatography methods used for detection
StudiesNMDR Studies reporting SM 18:1;O2/12:0
External Links
Pubchem CID44260123
LIPID MAPSLMSP03010002
ChEBI ID137334
KEGG IDC00550
HMDB IDHMDB0012096
Chemspider ID24846872
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving SM 18:1;O2/12:0

Rxn IDKEGG ReactionEnzyme
R01891 CDP-choline + N-Acylsphingosine <=> CMP + SphingomyelinCDP-choline:N-acylsphingosine cholinephosphotransferase
R02541 Sphingomyelin + H2O <=> N-Acylsphingosine + Choline phosphateSphingomyelin cholinephosphohydrolase
R08969 N-Acylsphingosine + Phosphatidylcholine <=> Sphingomyelin + 1,2-Diacyl-sn-glycerolceramide:phosphatidylcholine cholinephosphotransferase

Table of KEGG human pathways containing SM 18:1;O2/12:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 2
hsa01100 Metabolic pathways 1
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