SPL Set ID: 9669a0e3-27e2-4f6c-961c-7a67e9f84cc8
1 drug(s) with this SPL Set ID
Estradiol gel 0.1%, is a clear, colorless gel, which is odorless when dry. It is designed to deliver sustained circulating concentrations of estradiol, USP when applied once daily to the skin. The gel is applied to a small area (200 cm 2 ) of the thigh in a thin layer. Estradiol gel is available in five doses of 0.25, 0.5, 0.75, 1, and 1.25 grams for topical application (corresponding to 0.25, 0.5, 0.75, 1, and 1.25 mg estradiol USP, respectively). The active component of the topical gel is estradiol USP, an estrogen. Estradiol, USP is a white crystalline powder, chemically described as estra-1,3,5(10)-triene-3,17ß-diol. It has an empirical formula of C 18 H 24 O 2 and molecular weight of 272.38. The structural formula is: The remaining components of the gel (carbomer homopolymer type B, ethyl alcohol 95%, propylene glycol, purified water, and trolamine) are pharmacologically inactive. Estradiol gel, 0.1% contains 55% w/w alcohol. Structural Formula