White crystalline solid, Content >= 98% (LC Area Normalization Method) Chemical Name 2(3H)- BenzofuranoneMolecular Formula C8H6O2 CAS Number 553-86-6 Molecular Weight 134.13 Specification White crystalline solid, Content ≥ 98% (LC Area Normalization Method),Moisture ≤ 0.3%, Single impurity max ≤ 2% 2(3H)- Benzofuranone