We are offering timolol maleate.Timolol maleate cas: 26921-17-5 molecular formula:c17h28n4o7s molecular weight:432.49 timolol maleate is a non-selective beta-adrenergic receptor antagonist indicated for treating glaucoma, heart attacks, hypertension, and migraine headache.It is on the world health organizations list of essential medicines, a list of the most important medications needed in a basic health system. Timolol maleate and is used in the eye to treat open-angle glaucoma and high pressure in the eye. Timolol eye drops work by lowering the pressure in your eye. Timolol can be used alone or in combination with other treatments for glaucoma, such as bimatoprost, latanoprost, travoprost, brinzolamide, dorzolamide, or brimonidine.