RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0060605
RefMet nameSM 14:0;O2/18:0
Alternative nameSM(d14:0/18:0)
Systematic nameN-(octadecanoyl)-tetradecasphinganine-1-phosphocholine
SynonymsPubChem Synonyms
Sum CompositionSM 32:0;O2 View other entries in RefMet with this sum composition
Exact mass676.551926 (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
FormulaC37H77N2O6PView other entries in RefMet with this formula
Molecular descriptors
Molfile93185 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C37H77N2O6P/c1-6-8-10-12-14-16-17-18-19-20-21-23-25-27-29-31-37(41)38-35(34-45-46(42,43)44-33-32-39(3,4)5)36(40)30-28-26-
24-22-15-13-11-9-7-2/h35-36,40H,6-34H2,1-5H3,(H-,38,41,42,43)/t35-,36+/m0/s1
InChIKeyRNMVBFYBLXQRIF-MPQUPPDSSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCC(=O)N[C@@H](COP(=O)([O-])OCC[N+](C)(C)C)[C@@H](CCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassPhosphosphingolipids
Sub ClassSM (Sphingomyelins)
Distribution of SM 14:0;O2/18:0 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
StudiesNMDR Studies reporting SM 14:0;O2/18:0
External Links
Pubchem CID134764438
LIPID MAPSLMSP03019AAX
KEGG IDC00550
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 14:0;O2/18:0

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 14:0;O2/18:0

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