ditophal ditophal ditophal is an antileprotic drug which is no longer marketed. ditophalclinical dataother namesetusil; 1,3-dithioisophthalic acid, diethyl esteridentifiers iupac name 1-s,3-s-diethyl benzene-1,3-dicarbothioate cas number584-69-0 ypubchem cid3083635chemspider2340808 nunii40sr2754glcomptox dashboard (epa)dtxsid40207112 chemical and physical dataformulac12h14o2s2molar mass254.36 g·mol−13d model (jsmol)interactive image smiles ccsc(=o)c1=cc(=cc=c1)c(=o)scc inchi inchi=1s/c12h14o2s2/c1-3-15-11(13)9-6-5-7-10(8-9)12(14)16-4-2/h5-8h,3-4h2,1-2h3 nkey:dwgxuduojpyaor-uhfffaoysa-n n ny (what is this?) (verify) the compound is diethyl dithiolisophthalate, the ethyl ester of a thiocarboxylic acid.