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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 Number	494-41-7
3D model (JSmol)	Interactive image
ChemSpider	9507995
PubChem CID	11333049
CompTox Dashboard (EPA)	DTXSID60462625
InChI InChI=1S/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8HKey: FRIPRWYKBIOZJU-UHFFFAOYSA-N InChI=1/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8HKey: FRIPRWYKBIOZJU-UHFFFAOYAE
SMILES O=C/2/C=C\C1=C\c3c(O/C1=C\2)cccc3
Properties
Chemical formula	C13H8O2
Molar mass	196.205 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

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

References

1. Shi, Jianmin; Zhang, Xianping; Neckers, Douglas C (1992). "Xanthenes: fluorone derivatives". Journal of Organic Chemistry. 57 (16): 4418–4421. doi:10.1021/jo00042a020.{{cite journal}}: CS1 maint: multiple names: authors list (link)

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