Isoxazole

Isoxazole
Names
	Preferred IUPAC name 1,2-Oxazole
	Other names isoxazole
Identifiers
CAS Number	288-14-2 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:35595 ;
ChEMBL	ChEMBL13257 ;
ChemSpider	8897 ;
ECHA InfoCard	100.005.472
PubChem CID	9254;
UNII	00SRW0M6PW ;
CompTox Dashboard (EPA)	DTXSID7059775 ;
	InChI InChI=1S/C3H3NO/c1-2-4-5-3-1/h1-3H Key: CTAPFRYPJLPFDF-UHFFFAOYSA-N ; InChI=1/C3H3NO/c1-2-4-5-3-1/h1-3H Key: CTAPFRYPJLPFDF-UHFFFAOYAS;
	SMILES n1occc1;
Properties
Chemical formula	C3H3NO
Molar mass	69.06202 g/mol
Density	1.075 g/ml
Boiling point	95 °C (203 °F; 368 K)
Acidity (pKa)	−3.0 (of conjugate acid)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Isoxazole is an electron-rich azole with an oxygen atom next to the nitrogen. It is also the class of compounds containing this ring. Isoxazolyl is the univalent functional group derived from isoxazole.