Anthranil
{{distinguish|1,2-Benzisoxazole}}
{{Chembox
| ImageFile = Anthranil.svg
| ImageSize =
| ImageAlt =
| PIN = 2,1-Benzoxazole
| OtherNames =
| Section1 = {{Chembox Identifiers
| CASNo = 271-58-9
| CASNo_Ref = {{cascite|correct|CAS}}
| Beilstein = 2222
| ChEBI = 51555
| ChEMBL = 508432
| ChemSpiderID = 60822
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 58GQ20G9W6
| PubChem = 67498
| EC_number = 205-980-5
| SMILES = n1c2ccccc2co1
| StdInChI = InChI=1S/C7H5NO/c1-2-4-7-6(3-1)5-9-8-7/h1-5H
| StdInChIKey =FZKCAHQKNJXICB-UHFFFAOYSA-N
}}
| Section2 = {{Chembox Properties
| C=7 | H=5| N=1 |O=1
| MolarMass =
| Appearance = Colorless liquid
| MeltingPt =
| BoilingPtC = 101 - 102
| Solubility =
}}
| Section3 = {{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt =
| GHSPictograms = {{GHS07}}{{Sigma-Aldrich|id=144517|name=Anthranil|accessdate=2017-03-02}}
| GHSSignalWord = Warning
| HPhrases = {{H-phrases|302}}
| PPhrases = {{P-phrases|264|270|301+312|330|501}}
}}
}}
Anthranil (2,1-benzisoxazole) is an organic compound with a molecular formula C7H5NO, which features a fused benzene-isoxazole bicyclic ring structure. It is an isomer of the more common compounds benzoxazole and benzisoxazole, which have their oxygen atoms located in the 1-position. The locations of the heteroatoms in anthranil results in disrupted aromaticity, making it by far the least stable of the 3 structural isomers.{{cite journal|last1=Domene|first1=Carmen|last2=Jenneskens|first2=Leonardus W.|last3=Fowler|first3=Patrick W.|title=Aromaticity of anthranil and its isomers, 1,2-benzisoxazole and benzoxazole|journal=Tetrahedron Letters|volume=46|issue=23|year=2005|pages=4077–4080|issn=0040-4039|doi=10.1016/j.tetlet.2005.04.014|hdl=1874/14837|hdl-access=free}}