Description
Each gram of the Procto-Med HC TM 2.5% (Hydrocortisone Cream USP, 2.5%) contains 25 mg of hydrocortisone in a cream base of cetyl alcohol, methylparaben, propylene glycol, propylparaben, purified water, sodium lauryl sulfate, and stearyl alcohol.
Chemically hydrocortisone is [Pregn-4-ene-3,20-dione,11,17,21-tri hydroxy-,(11ß)-] with the molecular formula (C 21H 30O 5) and is represnted by following structural formula:
Its molecular weight is 362.47 and its CAS Registry Number is 50-23-7. The topical corticosteroids, including hydrocortisone, constitute a class of primarily synthetic steroids used as anti-inflammatory and antpruritic agents.