Description
Clobetasol Propionate Ointment, USP 0.05% contains the active compound clobetasol propionate, a synthetic corticosteroid, for topical dermatologic use. Clobetasol, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity.
Clobetasol propionate is a white to cream-colored crystalline powder insoluble in water. Chemically, clobetasol propionate is 21-chloro-9-fluoro-11β,17-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 17-propionate, and it has the following structural formula:
Clobetasol propionate has the molecular formula C25H32ClFO5 and a molecular weight of 466.98.
Each gram of the 0.05% ointment contains clobetasol propionate 0.5 mg in a base of propylene glycol, sorbitan sesquioleate, and white petrolatum.