Structural formula Business number 0265 Molecular formula C9H6O3 Molecular weight 162.14 label 7-hydroxy-2H-1-benzopyran-2-one, 7-Hydroxy-2H-1-benzopyran-2-one, Butylidene-4,5-dihydro-3H-isobenzofuran-1-one Numbering system Physical property data Toxicological data Ecological data Molecular structure data Computing chemical data More Properties and Stability Storage method Synthesis method Purpose Numbering system CAS number:93-35-6 MDL number:MFCD00006878 EINECS number:202-240-3 RTECS number:GN6820000 BRN number:127683 PubChem number:24889947 Physical property...