Impurity of Mometasone Furoate, a topical corticosteroid used as an anti-inflammatory. Atmosphere:Inert gasElemental Analysis:Calculated: 60.57% C; 5.27% HFound: As reportedNote: Contains 1% DichloromethaneMelting Point: >252°C (dec.)Solubility:MethanolMethod for Determining Identity: Proton NMR (CD3OD) and MSTLC Conditions: SiO2; Dichloromethane : Methanol (9 : 1). Visualized with UV and AMCS (Rf =0.50).Storage and Stability:Store in the dark at -20°C under inert atmosphere. Caution: Hygroscopic and sensitive to light. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
