Product Specification Formula:C13H10O2 MW:198.2 CAS:5690-03-9 Purity:≥98% (TLC) Appearance:White solid. Solubility:Soluble in DMSO (>25mg/ml) or 100% ethanol (>25mg/ml). Long Term Storage:Ambient Use/Stability:Stock solutions are stable for up to 3 months at -20°C. Handling:Protect from light. Packaged under inert gas. After reconstitution, prepare aliquots and store at -20°C.