perathiepin perathiepin perathiepin is a neuroleptic drug of the tricyclic family which was developed in the 1960s but was never marketed. in animal studies it was found to possess central depressant, antihistamine, antiserotonergic, and analgesic effects. perathiepinclinical dataatc codenoneidentifiers iupac name 1-(10,11-dihydrodibenzothiepin-10-yl)-4-methylpiperazine cas number1526-83-6 ypubchem cid107593chemspider96790uniiyr8c4wxj4tcomptox dashboard (epa)dtxsid20934555 chemical and physical dataformulac19h22n2smolar mass310.46 g·mol−13d model (jsmol)interactive image smiles s2c1ccccc1cc(c3c2cccc3)n4ccn(c)cc4 inchi inchi=1s/c19h22n2s/c1-20-10-12-21(13-11-20)17-14-15-6-2-4-8-18(15)22-19-9-5-3-7-16(17)19/h2-9,17h,10-14h2,1h3key:myfnxitxhnlsjy-uhfffaoysa-n