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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/h1-8H 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
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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