Coumarin synonyms

2-Propenoic acid, 3-(2-hydroxyphenyl)-, d-lactone; Cumarin; Benzo-alpha-pyrone; 5,6-Benzo-2-pyrone; Tonka bean camphor; Benzo-a-pyrone; cis-o-Coumaric acid anhydride; Coumarine; Rattex; o-Hydroxycinnamic lactone; o-Hydroxycinnamic acid lactone


Graphical representations:


View large 3D structure

Molecular Formula: C9H6O2

Natural Isotopic Abundance Mass: 146.1427400000

Mono-Isotopic Molecular Masses:

  • C12N14: 146.036779437
  • C13N14: 155.066972977
  • C12N15: 146.036779437
  • C13N15: 155.066972977

InChI string: InChI=1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H

IUPAC: chromen-2-one

PubChem Compound (CID): 323
KEGG Compound ID: C05851
CAS Registry number: 91-64-5
ChEBI: 28794
CCRIS: 181
Beilstein Handbook Reference: 5-17-10-00143
NSC: 8774
EINECS: 202-086-7
HSDB: 1623
PDB Compound ID: COU

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.

InChI string and atom numbering calculated using ALATIS (Hesam Dashti, William M. Westler, John L. Markley, Hamid R. Eghbalnia, "Unique identifiers for small molecules enable rigorous labeling of their atoms", Scientific Data 4, Article number: 170073 (2017), doi:10.1038/sdata.2017.73,