{"Abbreviation":"","Aliases":["Parnox","4(3H)-Quinazolinone, 3-(2-methoxy-4-nitrophenyl)-2-methyl-","3-(2-Methoxy-4-nitrophenyl)-2-methyl-4(3H)-quinazolinone","Nitrometaqualone","CHI 26","2-Methyl-3-(2-methoxy-4-nitrophenyl)quinazolin-4-one","4(3H)-Quinazolinone, 2-methyl-3-(4-nitro-o-anisyl)-","2-Methyl-3-(2-methoxy-4-nitrophenyl)chinazolon-4","5-24-03-00145","HY-169443","2-methyl-3-(o-methoxy-p-nitrophenyl)-4-quinazolone","2-methyl-3-(2'-methoxy-4'-nitrophenyl)-4(3H)-quinazolinone","3-(2-Methoxy-4-nitrophenyl)-2-methyl-4(3H)-quinazolinone #","4(1H)-Quinazolinone, 3-(2-methoxy-4-nitrophenyl)-2-methyl-","2-Methyl-3-(2-methoxy-4-nitrophenyl)-4(3h)-quinazolinone"],"CAS":"340-52-3","ChemicalClasses":["quinazolinone"],"Chirality":"achiral","Classes":["Sedative"],"EliminationHalfLife":"","Erowid Experience Reports":[],"Esters":[],"Formating":[],"HeavyAtomCount":23,"IUPACName":"3-(2-methoxy-4-nitrophenyl)-2-methylquinazolin-4-one","InChI":"InChI=1S/C16H13N3O4/c1-10-17-13-6-4-3-5-12(13)16(20)18(10)14-8-7-11(19(21)22)9-15(14)23-2/h3-9H,1-2H3","InChIKey":"RZHHDMJWDYJXAW-UHFFFAOYSA-N","MolecularFormula":"C\u003csub\u003e16\u003c/sub\u003eH\u003csub\u003e13\u003c/sub\u003eN\u003csub\u003e3\u003c/sub\u003eO\u003csub\u003e4\u003c/sub\u003e","MolecularWeight":"311.29 g/mol","PubChemId":63339,"Record Description":["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. However, the aromatic nitro group is metabolised to the corresponding aniline, which proved to be a mutagen. As a consequence, nitromethaqualone was not developed further due to toxicity concerns.","Wikipedia|List of designer drugs|Sedatives|Methaqualone analogues"],"RefCount":3,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/Nitromethaqualone","Name":"Nitromethaqualone","Sub":false}]},{"Name":"Wikidata","Urls":[{"Link":"https://www.wikidata.org/wiki/Q7041485","Name":"Nitromethaqualone","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/63339","Name":"Nitromethaqualone","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=340-52-3","Name":"Nitromethaqualone","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/7G855468ZM","Name":"Nitromethaqualone","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID80187601","Name":"Nitromethaqualone","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 63339, Nitromethaqualone. Accessed July 13, 2025. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/63339\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/63339\u003c/a\u003e","U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Nitromethaqualone. UNII: 7G855468ZM. Global Substance Registration System. Accessed July 13, 2025. \u003ca href=https://gsrs.ncats.nih.gov/ginas/app/beta/substances/7G855468ZM\u003ehttps://gsrs.ncats.nih.gov/ginas/app/beta/substances/7G855468ZM\u003c/a\u003e"],"SMILES":"CC1=NC2=CC=CC=C2C(=O)N1C3=C(C=C(C=C3)[N+](=O)[O-])OC","SaltData":[{"AcidCount":1,"AmineCount":1,"Formula":"Cl","Name":"hydrochloride","Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 145.607 74.675\"\u003e\u003crect width=\"100%\" height=\"100%\" fill=\"#fff\"/\u003e\u003cdesc\u003eGenerated by the Chemistry Development Kit (http://github.com/cdk)\u003c/desc\u003e\u003cg fill=\"#ff0d0d\" stroke=\"#000\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\".7\"\u003e\u003cpath fill=\"#fff\" stroke=\"none\" d=\"M0 0h146v75H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cpath d=\"M67.067 3.008 53.87 10.63\" class=\"bond\"/\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"M53.87 10.63 43.816 4.829M51.432 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