fenoverine fenoverine fenoverine (inn) is an antispasmodic drug, which acts by inhibiting calcium channels . in the case of fenoverine, the relaxation occurs in abdominal / intestinal smooth muscles, while in case of antianginal drugs, the relaxation occurs in coronary vessels. notably fenoverine does not act as an antianginal agent. fenoverineclinical dataahfs/drugs.cominternational drug namesatc codea03ax05 (who) identifiers iupac name 2-dioxol-5-ylmethyl)piperazin-1-yl]-1-(10h-phenothiazin-10-yl)ethanone cas number37561-27-6pubchem cid72098chemspider65083uniin274zq6pzjkeggd07095 ychemblchembl1512949comptox dashboard (epa)dtxsid8046296 echa infocard100.048.666 chemical and physical dataformulac26h15n3o3smolar mass449.48 g·mol−13d model (jsmol)interactive image smiles c1cn(ccn1cc2=cc3=c(c=c2)oco3)cc(=o)n4c5=cc=cc=c5sc6=cc=cc=c64 inchi inchi=1s/c26h25n3o3s/c30-26(29-20-5-1-3-7-24(20)33-25-8-4-2-6-21(25)29)17-28-13-11-27(12-14-28)16-19-9-10-22-23(15-19)32-18-31-22/h1-10,15h,11-14,16-18h2key:ubajtzkndcegkl-uhfffaoysa-n (verify) toxicity fenoverine is known to cause rhabdomyolysis.