Fluorone

Fluorone

Names
IUPAC name Xanthen-3-one
Other names 3-Isoxanthone; 3-Oxo-3H-xanthene
Identifiers
CAS Number	494-41-7 Y
3D model (Jmol)	Interactive image
ChemSpider	9507995 Y
PubChem	11333049
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=C/2/C=C\C1=C\c3c(O/C1=C\2)cccc3
Properties
Chemical formula	C13H8O2
Molar mass	196.21 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y  (what is YN ?)
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.