Wikipedia:  

D-Sphingosine

D-Sphingosine; Sphingosine; trans-D-erythro-2-Amino-4-octadecene-1,3-diol; 4-Sphingenine
Molecular Formula
C18 H37 N O2
Natural Isotopic Abundance Mass
299.49188
Mono-Isotopic Molecular Masses
C12N14:   299.2824294371
C13N14:   317.3428165175
C12N15:   300.2794643303
C13N15:   318.3398514107
D-Sphingosine image
D-Sphingosine
InCHi String:
InChI=1S/C18H37NO2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(21)17(19)16-20/h14-15,17-18,20-21H,2-13,16,19H2,1H3/b15-14+/t17-,18+/m0/s1

canonical SMILES:
CCCCCCCCCCCCCC=CC(C(CO)N)O
isomeric SMILES:
CCCCCCCCCCCCC/C=C/[C@H]([C@H](CO)N)O


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME
(E,2S,3R)-2-aminooctadec-4-ene-1,3-diol

PUBCHEM iupac CAS NAME
(E,2S,3R)-2-amino-4-octadecene-1,3-diol

PUBCHEM iupac SYSTEMATIC NAME
(E,2S,3R)-2-azanyloctadec-4-ene-1,3-diol



PubChem Substance (SID):   126596890   24899729   24899729
PubChem Compound (CID):   5280335
KEGG: Compound ID   n/a
CAS Registry IDs:   n/a
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CAS 123-78-4   Beilstein Registry Number 1727294   MDL number MFCD00036751   Sigma-Aldrich S7049_SIGMA   ChEBI CHEBI:16393   BindingDB 50240585   ChEMBL CHEMBL67166

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.