oxmetidine oxmetidine oxmetidine (code name skf 92994) is an h2 histamine receptor receptor antagonist. oxmetidineclinical dataother namesskf 92994,skf 92994-a2 (oxmetidine 2hcl)identifiers iupac name 5-(1,3-benzodioxol-5-ylmethyl)-2-ethylamino]-1h-pyrimidin-6-one cas number72830-39-8pubchem cid51710chemspider46799uniiz504d030rfcomptox dashboard (epa)dtxsid30223149 echa infocard100.069.911 chemical and physical dataformulac19h21n5o3smolar mass399.47 g·mol−13d model (jsmol)interactive image smiles o=c/1nc(=n\c=c\1cc2ccc3ococ3c2)/nccscc4ncc4c