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Fluorone

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Not to be confused withFluorene,Fluorenone, orFluorine.

Fluorone
Names


Preferred IUPAC name 3H-Xanthen-3-one
Other names 3-Isoxanthone; 3-Oxo-3H-xanthene
Identifiers
CAS Number	494-41-7^Y
3D model (JSmol)	Interactive image
ChemSpider	9507995^Y
PubChem CID	11333049
UNII	7X94VF2YWN^Y
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/h1-8H^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
SMILES O=C1C=CC2=Cc3ccccc3OC2=C1
Properties
Chemical formula	C₁₃H₈O₂
Molar mass	196.205 g·mol⁻¹
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references

Chemical compound

Fluorone is aheterocyclic chemical compound. It forms the core structure for various chemicals, most notably fluoronedyes,^[1] includingfluorescein,erythrosine andrhodamine. It is anisomer ofxanthone, sometimes referred to as an isoxanthone.

^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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