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Active ingredient: Timolol - Chemisty and Biological Activity

Chemisty and Biological Activity

Chemical Formula


Chemical Name

1-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]-3-tert-butylamino-propan-2- ol

Chemical Structure

Molecular Weight

316.421 g/mol

Physical State


Melting Point

201.5-202.5 oC

Water Solubility

2.74 mg/mL

Isoelectric Point


Organisms Affected

Humans and other mammals

Phase 1 Metabolising Enzyme (1-st Step of Metabolism)


Primary Drug Target
NameBeta-1 Adrenergic Receptor
Gene NameADRB1
SynonymsBeta-1 adrenergic receptor; Beta-1 adrenoceptor; Beta-1 adrenoreceptor
General FunctionReceptor activity and cell communication
Specific FunctionBeta-adrenergic receptors mediate the catecholamine- induced activation of adenylate cyclase through the action of G proteins. This receptor binds epinephrine and norepinephrine with approximatively equal affinity

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