Fluorone

Not to be confused with fluorene, fluorenone, or fluorine.

Fluorone

Names
IUPAC name Xanthen-3-one
Other names 3-Isoxanthone; 3-Oxo-3H-xanthene
Identifiers
CAS Registry Number	494-41-7 Y
ChemSpider	9507995 Y
InChI InChI=1S/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H Y Key: FRIPRWYKBIOZJU-UHFFFAOYSA-N Y InChI=1/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H Key: FRIPRWYKBIOZJU-UHFFFAOYAE
Jmol-3D images	Image
PubChem	11333049
SMILES O=C/2/C=C\C1=C\c3c(O/C1=C\2)cccc3
Properties
Molecular formula	C13H8O2
Molar mass	196.20 g·mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Y verify (what is: Y/N?)
Infobox references

Fluorone is a heterocyclic chemical compound. It forms the core structure for various chemicals, most notably fluorone dyes,^[1] including fluorescein, erythrosine and rhodamine. It is an isomer of xanthone, sometimes referred to as an isoxanthone.

Chemical structure of erythrosine

References