Wikipedia:  

Esculetin

Esculetin; Aesculetin; Esculetol; Esculin aglycon; Cichorigenin; Cichoriin aglucon; 6,7-Dihydroxycoumarin; 2H-1-benzopyran-2-one, 6,7-dihydroxy-; 6,7-dihydroxy-2H-chromen-2-one; Cichorigenin
Molecular Formula
C9 H6 O4
Natural Isotopic Abundance Mass
178.14154
Mono-Isotopic Molecular Masses
C12N14:   178.026608681
C13N14:   187.0568022212
C12N15:   178.026608681
C13N15:   187.0568022212
Esculetin image
Esculetin
InCHi String:
InChI=1S/C9H6O4/c10-6-3-5-1-2-9(12)13-8(5)4-7(6)11/h1-4,10-11H

canonical and isomeric SMILES:
C1=CC(=O)OC2=CC(=C(C=C21)O)O


PUBCHEM iupac NAME: PUBCHEM iupac OPENEYE NAME
6,7-dihydroxychromen-2-one

PUBCHEM iupac TRADITIONAL NAME
esculetin

PUBCHEM iupac CAS NAME
6,7-dihydroxy-1-benzopyran-2-one

PUBCHEM iupac SYSTEMATIC NAME
6,7-bis(oxidanyl)chromen-2-one



PubChem Substance (SID):   144080987   24854815   10436103
PubChem Compound (CID):   5281416
KEGG: Compound ID   C09263
CAS Registry IDs:   305-01-1
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CAS 305-01-1   MMCD cq_05938   Beilstein Registry Number 152788   EC Number 206-161-5   MDL number MFCD00006874   Sigma-Aldrich 246573_ALDRICH   NMRShiftDB 10016210   NIST 2728149847

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.