Wikipedia:  

3-isochromanone

3H-2-Benzopyran-3-one, 1,4-dihydro-; 3-Isochromanone; 1,4-Dihydro-3H-2-benzopyran-3-one
Molecular Formula
C9 H8 O2
Natural Isotopic Abundance Mass
148.15862
Mono-Isotopic Molecular Masses
C12N14:   148.052429501
C13N14:   157.0826230412
C12N15:   148.052429501
C13N15:   157.0826230412
3-isochromanone image
3-isochromanone
InCHi String:
InChI=1S/C9H8O2/c10-9-5-7-3-1-2-4-8(7)6-11-9/h1-4H,5-6H2

canonical and isomeric SMILES:
C1C2=CC=CC=C2COC1=O


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac SYSTEMATIC NAME
isochroman-3-one

PUBCHEM iupac CAS NAME
3-isochromanone



PubChem Substance (SID):   85165320   14709503   24862071
PubChem Compound (CID):   78092
KEGG: Compound ID   C07728
CAS Registry IDs:   4385-35-7
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich 359351_ALDRICH   ChemIDplus 004385357   ChemSpider 70470   EINECS 224-493-9   DTP/NCI 160530   NIST 3237810717   ZINC ZINC01530894   UM-BBD c0403   ChemDB 5575757   MMCD cq_04659   MDL MFCD0003005

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.