moxisylyte moxisylyte moxisylyte, also known as thymoxamine, is a drug used in urology for the treatment of erectile dysfunction. it is an α1-adrenergic antagonist. in the united kingdom, moxisylte is marketed as opilon (archimedes pharma uk ltd) and is used for the short-term treatment of primary raynaud's syndrome. this is a condition where the fingers and toes become discoloured and is triggered by responses to cold, or emotional distress. opilon tablets help by improving blood circulation to the extremities. moxisylyteclinical dataother namesthymoxamineahfs/drugs.cominternational drug namesatc codeg04be06 (who) c04ax10 (who)identifiers iupac name 4--5-isopropyl-2-methylphenyl acetate cas number54-32-0 ypubchem cid4260drugbankdb09205 ychemspider4110uniipw8qya7ki0keggd08239 ycomptox dashboard (epa)dtxsid4023339 echa infocard100.000.186 chemical and physical dataformulac16h25no3molar mass279.380 g·mol−13d model (jsmol)interactive image smiles cc1=cc(=c(c=c1oc(=o)c)c(c)c)occn(c)c inchi inchi=1s/c16h25no3/c1-11(2)14-10-15(20-13(4)18)12(3)9-16(14)19-8-7-17(5)6/h9-11h,7-8h2,1-6h3key:vrymtavoxvtqef-uhfffaoysa-n (verify)