hydracarbazine hydracarbazine hydracarbazine is a pyridazine that has found use as an antihypertensive agent. hydracarbazineclinical dataatc codenoneidentifiers iupac name 6-hydrazinylpyridazine-3-carboxamide cas number3614-47-9pubchem cid71653chemspider64713unii6ctk2fb9qmchemblchembl2106246comptox dashboard (epa)dtxsid30189716 echa infocard100.020.717 chemical and physical dataformulac5h7n5omolar mass153.145 g·mol−13d model (jsmol)interactive image smiles c1=cc(=nn=c1c(=o)n)nn