Carbuterol (INN; carbuterol hydrochloride USAN) is a short-acting β2 adrenoreceptor agonist.
{{Drugbox | Verifiedfields = changed | verifiedrevid = 443941802 | IUPAC_name = (RS)-{5-[2-(tert-butylamino)-1-hydroxyethyl]-2-hydroxyphenyl}urea | image = Carbuterol.svg | image_class = skin-invert-image | width = 230 | chirality = Racemic mixture
| tradename = | pregnancy_AU = | pregnancy_US = | pregnancy_category = | legal_AU = S4 | legal_CA = | legal_UK = | legal_US = | legal_status = | routes_of_administration = | bioavailability = | protein_bound = | metabolism = | elimination_half-life = | excretion = | CAS_number_Ref = | CAS_number = 34866-47-2 | ATC_prefix = R03 | ATC_suffix = CC10 | ATC_supplemental = | ChEMBL_Ref = | ChEMBL = 2110780 | PubChem = 36976 | DrugBank_Ref = | DrugBank = | ChemSpiderID_Ref = | ChemSpiderID = 33928 | UNII_Ref = | UNII = 0N12JR32MR
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).