Preferential cyclooxygenase (COX-2) inhibitor. Sudoxicam and Meloxicam are nonsteroidal anti-inflammatory drugs (NSAIDs) from the enol-carboxamide class.Appearance:Supplied as a light yellow solidPurity:≥99%Melting Point:240-242°CSolubility:DMSO, Ethyl Acetate (Sparingly)Method for Determining Identity:Proton NMR Spectroscopic AnalysisTLC Conditions:SiO2; Dichlorormethane: Methanol; 9: 1; Visualized with UV and KMnO4; Single spot; Rf=0.5.Storage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.