stepronin stepronin stepronin is a mucolytic and expectorant. steproninclinical dataatc coder05cb11 (who) identifiers iupac name n-glycine cas number72324-18-6pubchem cid54120drugbankdb01423 ychemspider48889 yunii0noy894qrbkeggd07381 ycomptox dashboard (epa)dtxsid00868127 echa infocard100.069.604 chemical and physical dataformulac10h11no4s2molar mass273.32 g·mol−13d model (jsmol)interactive image smiles cc(c(=o)ncc(=o)o)sc(=o)c1=cc=cs1 inchi inchi=1s/c10h11no4s2/c1-6(9(14)11-5-8(12)13)17-10(15)7-3-2-4-16-7/h2-4,6h,5h2,1h3,(h,11,14)(h,12,13) ykey:jnysedhqjcowqu-uhfffaoysa-n y (verify)