| Title:  Mometasone Furoate CAS Registry Number:  83919-23-7 CAS Name:  (11b,16a)-9,21-Dichloro-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methylpregna-1,4-diene-3,20-dione Additional Names:  9,21-dichloro-11b,17-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione 17-(2-furoate) Manufacturers' Codes:  Sch-32088 Trademarks:  Asmanex (Schering-Plough);  Elocon (Schering-Plough);  Nasonex (Schering-Plough) Molecular Formula:  C27H30Cl2O6 Molecular Weight:  521.43 Percent Composition:  C 62.19%, H 5.80%, Cl 13.60%, O 18.41% Literature References:  Topical corticosteroid.  Prepn: E. L. Shapiro, EP 57401; idem, US 4472393 (1982, 1984 both to Schering Corp.); E. L. Shapiro et al., J. Med. Chem. 30, 1581 (1987).  LC-MS-MS determn in plasma:  S. Sahasranaman et al., J. Chromatogr. B 819, 175 (2005).  Clinical trial in psoriasis:  R. S. Medansky et al., Semin. Dermatol. 6, 94 (1987); in seasonal allergic rhinitis:  D. Graft et al., J. Allergy Clin. Immunol. 98, 724 (1996). Properties:  Crystals from aq methanol, mp 218-220°.  [a]D26 +58.3° (dioxane).  uv max (methanol):  247 nm (e 26300).  Practically insol in water.  Slightly sol in octanol; moderately sol in ethyl alcohol. Melting point:  mp 218-220° Optical Rotation:  [a]D26 +58.3° (dioxane) Absorption maximum:  uv max (methanol):  247 nm (e 26300) Therap-Cat:  Anti-inflammatory. Keywords:  Glucocorticoid.  |