SPL Set ID: 2c21f361-e3d1-45a5-a6e7-df8164e3f90d

Bexarotene gel, 1% contains bexarotene and is intended for topical application only. Bexarotene is a member of a subclass of retinoids that selectively activate retinoid X receptors (RXRs). These retinoid receptors have biologic activity distinct from that of retinoic acid receptors (RARs). The chemical name is 4-[1-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethenyl] benzoic acid, and the structural formula is as follows: Bexarotene is a white to off-white powder with a molecular weight of 348.478 and a molecular formula of C 24 H 28 O 2 . It is practically insoluble in water, slightly soluble in methanol, sparingly soluble in acetone, soluble in dimethyl sulfoxide, slightly soluble in ethanol and very slightly soluble in vegetable oil. Bexarotene gel, 1% is a clear gelled solution containing 1.0% (w/w) bexarotene in a base of dehydrated alcohol, polyethylene glycol 400, hydroxypropyl cellulose, and butylated hydroxytoluene. Structural Formula