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Fluorone

Names
Preferred IUPAC name 3H-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
UNII	7X94VF2YWN
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=C1C=CC2=Cc3ccccc3OC2=C1
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 fluorescein, erythrosine and rhodamine. It is an isomer of xanthone, sometimes referred to as an isoxanthone.

See also

• Xanthene

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.

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