ULTRAVATE (halobetasol propionate cream) Cream contains halobetasol propionate,
a synthetic corticosteroid for topical dermatological use. The corticosteroids
constitute a class of primarily synthetic steroids used topically as an
anti-inflammatory and anti-pruritic agent.
Chemically halobetasol propionate is 21-chloro-6a,9-difluoro-11b,17-dihydroxy-16b-methylpregna-1,4-diene-3-20-dione,17-propionate,
Halobetasol propionate has the molecular weight of 485. It is a white
crystalline powder insoluble in water.
Each gram of ULTRAVATE Cream contains 0.5 mg/g of halobetasol propionate
in a cream base of cetyl alcohol, glycerin, isopropyl isostearate, isopropyl
palmitate, steareth-21, diazolidinyl urea, methylchloroisothiazolinone,
methylisothiazolinone and water.