The title compound, C18H23FN2O6S, a new derivative of a fluoro-isoxazole containing sulfonamide functionality has been structurally characterized. The C-S-N-Cipr and C-S-N-Ccarb (ipr = 3-isopropoxyisoxazole, carb = carbamate) torsion angles are 111.1 (3)° and... ...