ChEBI: (S)-timolol hemihydrate is a hydrate, which is the hemihydrate form of the (S)-(-) (more active) enantiomer of timolol. It has a role as an antihypertensive agent, an anti-arrhythmia drug, a beta-adrenergic antagonist and an antiglaucoma drug. It contains a (S)-timolol (anhydrous).
