alprenolol alprenolol alprenolol, or alfeprol, alpheprol, and alprenololum (gubernal, regletin, yobir, apllobal, aptine, aptol duriles), is a non-selective beta blocker as well as a 5-ht1a and 5-ht1b receptor antagonist, used in the treatment of angina pectoris. it is no longer marketed by astrazeneca, but may still be available from other pharmaceutical companies or generically. alprenololclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codec07aa01 (who) pharmacokinetic dataprotein binding80% - 90%elimination half-life2-3 hours → 4-oh-alprenololidentifiers iupac name (rs)-1-(2-allylphenoxy)-3-(isopropylamino)propan-2-ol cas number13655-52-2 ypubchem cid2119iuphar/bps563drugbankdb00866 ychemspider2035 yunii877k5mq27wkeggd07156 ychebichebi:51211 ychemblchembl266195 ycomptox dashboard (epa)dtxsid0045127 echa infocard100.033.750 chemical and physical dataformulac15h23no2molar mass249.354 g·mol−13d model (jsmol)interactive image smiles o(c1ccccc1c\c=c)cc(o)cnc(c)c inchi inchi=1s/c15h23no2/c1-4-7-13-8-5-6-9-15(13)18-11-14(17)10-16-12(2)3/h4-6,8-9,12,14,16-17h,1,7,10-11h2,2-3h3 ykey:pazjsjfmuhdstf-uhfffaoysa-n y (verify)