Impurity of Mometasone Furoate, a topical corticosteroid used as an anti-inflammatory. Atmosphere:Inert gasElemental Analysis:Calculated: 62.44% C; 5.24% HFound: As reportedNote: Contains 1% DichloromethaneMelting Point: 242-244°C (dec.)Solubility:Chloroform, Ethyl AcetateMethod for Determining Identity: Proton NMR (CDCl3) and MSTLC Conditions: SiO2; Ethyl Acetate : Hexane (1 : 1). Visualized with UV and AMCS (Rf =0.35).Storage and Stability:Store at 4°C under inert atmosphere. For maximum recovery of product, centrifuge the original vial prior to removing the cap.