clobenpropit clobenpropit clobenpropit is a histamine h3 receptor antagonist. it has neuroprotective effects via stimulation of gaba release in brain cells in vitro. clobenpropitclinical dataatc codenonelegal statuslegal status us: investigational new drug identifiers iupac name n'--1-formamidine cas number145231-45-4pubchem cid2790iuphar/bps1223chemspider2688uniirku631jf4hchemblchembl14690comptox dashboard (epa)dtxsid3043738 chemical and physical dataformulac14h17cln4smolar mass308.83 g·mol−13d model (jsmol)interactive image smiles c1=cc(=cc=c1cn=c(n)scccc2=cn=cn2)cl