Fluorone

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/h1-8H Key: FRIPRWYKBIOZJU-UHFFFAOYSA-N ; InChI=1/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H 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 their standard state (at 25 °C [77 °F], 100 kPa).
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	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

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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