zolantidine zolantidine zolantidine is a brain-penetrating selective histamine h2 receptor (hrh2) antagonist developed by smith, kline & french, with the research code of sk&f 95282. it is a benzothiazole derivative with a 30-fold higher potency for h2 receptors than other peripheral and central receptors. zolantidineclinical dataatc codenoneidentifiers iupac name n-propyl]-1,3-benzothiazol-2-amine cas number104076-38-2pubchem cid91769chemspider82866uniim1108xay01chemblchembl419296comptox dashboard (epa)dtxsid6048460 chemical and physical dataformulac22h27n3osmolar mass381.54 g·mol−13d model (jsmol)interactive image smiles n1c4ccccc4sc1ncccoc2cc(ccc2)cn3ccccc3 inchi inchi=1s/c22h27n3os/c1-4-13-25(14-5-1)17-18-8-6-9-19(16-18)26-15-7-12-23-22-24-20-10-2-3-11-21(20)27-22/h2-3,6,8-11,16h,1,4-5,7,12-15,17h2,(h,23,24)key:kubongdxtuoolm-uhfffaoysa-n