3,4-Dihydroxybenzoic Acid 3-O-Sulfate is a metabolite of 3,4-Dihydroxybenzoic Acid.Atmosphere: Inert gasMelting Point:>205°C (decomposes)Solubility:WaterMethod for Determining Identity: Proton NMR spectroscopic analysis and mass spectrometric analysisTLC Conditions: C18; Acetonitrile: Ethyl Acetate (1:1); Visualized with AMCS and KMnO4; Single spot (RF= 0.65)Storage and Stability:Store at -20°C. Store under inert gas (hygroscopic material). For maximum recovery of product, centrifuge the original vial prior to removing the cap