Description
Betamethasone Valerate Cream and Betamethasone Valerate Ointment contain Betamethasone Valerate USP (9-Fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione 17-valerate); its empirical formula is C 27H 37FO 6; its molecular weight is 476 .59 (CAS Registry Number 2152-44-5); its structural formula is:
Each gram of the 0 .1% cream contains 1 .2 mg betamethasone valerate (equivalent to 1 .0 mg betamethasone) in a hydrophilic cream base consisting of purified water, mineral oil, white petrolatum, polyethylene glycol 1000 monocetyl ether, cetostearyl alcohol, monobasic sodium phosphate, phosphoric acid or sodium hydroxide and 4-chloro-m-cresol as a preservative. Each gram of the 0 .1% ointment contains 1 .2 mg betamethasone valerate (equivalent to 1 .0 mg betamethasone) in an ointment base consisting of mineral oil, white petrolatum and hydrogenated lanolin.