lacidipine lacidipine lacidipine (tradenames lacipil or motens) is a calcium channel blocker. it is available as tablets containing 2 or 4 mg. lacidipineclinical datatrade nameslacipil, motensahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codec08ca09 (who) legal statuslegal status in general: ℞ (prescription only) pharmacokinetic databioavailability~10%protein binding>95%metabolismhepaticonset of action30–50 minelimination half-life13–19 hoursexcretionfeces (~70%)identifiers iupac name diethyl 4--2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate cas number103890-78-4pubchem cid5311217chemspider4470736unii260080034nkeggd04657 ycomptox dashboard (epa)dtxsid1046429 echa infocard100.166.373 chemical and physical dataformulac26h33no6molar mass455.551 g·mol−13d model (jsmol)interactive image smiles ccoc(=o)c1=c(nc(=c(c1c2=cc=cc=c2/c=c/c(=o)oc(c)(c)c)c(=o)occ)c)c inchi inchi=1s/c26h33no6/c1-8-31-24(29)21-16(3)27-17(4)22(25(30)32-9-2)23(21)19-13-11-10-12-18(19)14-15-20(28)33-26(5,6)7/h10-15,23,27h,8-9h2,1-7h3/b15-14+key:gkqpcpxonldcmu-ccezhusrsa-n (verify) it was patented in 1984 and approved for medical use in 1991.