nitromethaqualone nitromethaqualone nitromethaqualone is an analogue of methaqualone that has similar sedative and hypnotic properties. it is significantly more potent (10x) compared to the parent compound; the typical dose is approximately 25 mg. nitromethaqualoneclinical dataatc codenoneidentifiers iupac name 2-methyl-3-(2-methoxy-4-nitrophenyl)-4(3h)-quinazolinone cas number340-52-3pubchem cid63339chemspider57006unii7g855468zmcomptox dashboard (epa)dtxsid80187601 chemical and physical dataformulac16h13n3o4molar mass311.29 g·mol−13d model (jsmol)interactive image smiles o=c1c2=cc=cc=c2n=c(n1c3=c(oc)c=c(n(=o)=o)c=c3)c