opaganib opaganib opaganib (abc294640) is a drug which acts as an inhibitor of the enzyme sphingosine kinase 2. it is under development as a potential treatment agent for several different kinds of cancer. opaganiblegal statuslegal status investigational new drug identifiers iupac name 3-(4-chlorophenyl)-n-(pyridin-4-ylmethyl)adamantane-1-carboxamide cas number915385-81-8pubchem cid15604015drugbank12764chemspider13079494uniidrg21oq517chebichebi:124965chemblchembl2158685chemical and physical dataformulac23h25cln2omolar mass380.9 g·mol−13d model (jsmol)interactive image smiles c1c2cc3(cc1cc(c2)(c3)c(=o)ncc4=cc=nc=c4)c5=cc=c(c=c5)cl inchi inchi=1s/c23h25cln2o/c24-20-3-1-19(2-4-20)22-10-17-9-18(11-22)13-23(12-17,15-22)21(27)26-14-16-5-7-25-8-6-16/h1-8,17-18h,9-15h2,(h,26,27)key:caotvxgytwckqe-uhfffaoysa-n