azosemide azosemide azosemide is a high-ceiling loop diuretic agent that was brought to market in 1981 by boehringer mannheim. as of 2015 it was available as a generic in some asian countries. azosemideclinical dataahfs/drugs.cominternational drug namesatc codenoneidentifiers iupac name 2-chloro-5-(2h-tetrazol-5-yl)-4-benzenesulfonamide cas number27589-33-9 npubchem cid2273drugbankdb08961 nchemspider2186 yuniimr40vt1l8zkeggd01323 ychebichebi:31248 ychemblchembl1097235 ycomptox dashboard (epa)dtxsid7046910 echa infocard100.044.121 chemical and physical dataformulac12h11cln6o2s2molar mass370.83 g·mol−13d model (jsmol)interactive image smiles o=s(=o)(n)c2c(cl)cc(c(c1nnn1)c2)ncc3sccc3 inchi inchi=1s/c12h11cln6o2s2/c13-9-5-10(15-6-7-2-1-3-22-7)8(12-16-18-19-17-12)4-11(9)23(14,20)21/h1-5,15h,6h2,(h2,14,20,21)(h,16,17,18,19) ykey:hmedebajarckct-uhfffaoysa-n y ny (what is this?) (verify) azosemide has been found as an adulterant in ketamine.