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BETOPTIC S® Ophthalmic Suspension 0.25% is indicated for the treatment of elevated intraocular pressure in patients with chronic open-angle glaucoma or ocular hypertension.
BETOPTIC S® Ophthalmic Suspension 0.25% contains betaxolol hydrochloride, a cardioselective beta-adrenergic receptor inhibitor, in a sterile resin suspension formulation. Betaxolol hydrochloride is a white, crystalline powder, with a molecular weight of 343.89. The chemical structure is presented below.
Empirical Formula:
C18H29NO3•HCl
Chemical Name:
(±)-1-[p-[2-(cyclopropylmethoxy) ethyl]phenoxy]-3-(isopropylamino)-2-propanol hydrochloride.
Each mL of BETOPTIC S® Ophthalmic Suspension 0.25% contains: Active: betaxolol HCl 2.8 mg equivalent to 2.5 mg of betaxolol base. Preservative: benzalkonium chloride 0.01%. Inactives: mannitol, poly(styrene-divinyl benzene) sulfonic acid, carbomer 934P, edetate disodium, hydrochloric acid or sodium hydroxide (to adjust pH) and purified water.
BETOPTIC S® Ophthalmic Suspension 0.25% has pH of approximately 7.6 and an osmolality of approximately 290 mOsmol/kg.