denaverine denaverine denaverine is an antispasmodic drug. it was developed in germany and patented in 1974. denaverine hydrochloride is used in veterinary medicine under the trade name sensiblex as a muscle relaxant for the myometrium of cows and dogs during parturition. under the trade name spasmalgan, it has also been used in humans for the treatment of urogenital and gastrointestinal spasms. denaverineclinical dataahfs/drugs.cominternational drug namespregnancycategory gr 1 (germany) routes ofadministrationintramuscular injection, suppositoriesatcvet codeqg02cx90 (who) legal statuslegal status in general: ℞ (prescription only) pharmacokinetic databioavailability8% (suppositories),37% (oral solution)metabolismmainly hepatic, at least 11 metaboliteselimination half-life34 hoursidentifiers iupac name 2-(dimethylamino)ethyl (2-ethylbutoxy)diphenylacetate cas number3579-62-2 y 3321-06-0 (hydrochloride)pubchem cid71130chemspider64278 nuniio14nf38mtlkeggd07787 ychemblchembl1614656 ncomptox dashboard (epa)dtxsid10189315 chemical and physical dataformulac24h33no3molar mass383.532 g·mol−13d model (jsmol)interactive image smiles ccc(cc)coc(c1=cc=cc=c1)(c2=cc=cc=c2)c(=o)occn(c)c inchi inchi=1s/c24h33no3/c1-5-20(6-2)19-28-24(21-13-9-7-10-14-21,22-15-11-8-12-16-22)23(26)27-18-17-25(3)4/h7-16,20h,5-6,17-19h2,1-4h3 nkey:fptouqzvcuiphy-uhfffaoysa-n n ny (what is this?) (verify) mechanism of action denaverine, like papaverine, acts as a phosphodiesterase inhibitor. additionally, it has anticholinergic effects.