{"Abbreviation":["4-MeO-α-PPP","MOPPP"],"Aliases":["4'-M-α-PP","MOPPP cpd","MOPPP","1-(4-Methoxyphenyl)-2-(1-pyrrolidinyl)-1-propanone","4'-Methoxy-α-pyrrolidinopropiophenone hydrochloride","R,S-4'-Methoxy-α-pyrrolidinopropiophenone","4-Meo-α-ppp","1-Propanone, 1-(4-methoxyphenyl)-2-(1-pyrrolidinyl)-","DUA24309","Q4637037","4-Methoxy-?-pyrrolidinopropiophenone (moppp hydrochloride) hydrochloride"],"CAS":"478243-09-3","ChemicalClasses":["pyrrolidinophenone"],"Chirality":"racemic","Classes":["Stimulant"],"Erowid Experience Reports":null,"Esters":[],"Formating":["4'-methoxy-alpha-pyrrolidinopropiophenone"],"HeavyAtomCount":17,"IUPACName":"1-(4-methoxyphenyl)-2-pyrrolidin-1-ylpropan-1-one","InChI":"InChI=1S/C14H19NO2/c1-11(15-9-3-4-10-15)14(16)12-5-7-13(17-2)8-6-12/h5-8,11H,3-4,9-10H2,1-2H3","InChIKey":"QJWOQBGBEFNYKB-UHFFFAOYSA-N","MolecularFormula":"C\u003csub\u003e14\u003c/sub\u003eH\u003csub\u003e19\u003c/sub\u003eNO\u003csub\u003e2\u003c/sub\u003e","MolecularWeight":"233.31 g/mol","Opticalactivity":"( + / - )","PD":"PD043782","PubChemId":6430836,"Record Description":["MOPPP use is infrequent when compared to other amphetamines or stimulants used recreationally, such as meth, cocaine, or speed. It first arose as a designer drug in Germany in the late 1990s and early 2000s, along with a number of other derivatives but never gained the international popularity[4][5] that other drugs in its family of pyrrolidinophenone derivatives had (such as \u0026#945;-PPP and MDPV).","Wikipedia|List of designer drugs|Stimulants|Pyrrolidines and Pyrrolidinophenones"],"RefCount":3,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/4'-Methoxy-α-pyrrolidinopropiophenone","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/6430836","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]},{"Name":"Probes \u0026 Drugs","Urls":[{"Link":"https://www.probes-drugs.org/compound/PD043782","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=478243-09-3","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/OI15TPX8QP","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID701023585","Name":"4'-Methoxy-α-pyrrolidinopropiophenone","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 6430836, 4'-Methoxy-α-pyrrolidinopropiophenone. Accessed August 14, 2025. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/6430836\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/6430836\u003c/a\u003e","U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 4'-Methoxy-α-pyrrolidinopropiophenone. UNII: OI15TPX8QP. Global Substance Registration System. Accessed August 14, 2025. \u003ca href=https://gsrs.ncats.nih.gov/ginas/app/beta/substances/OI15TPX8QP\u003ehttps://gsrs.ncats.nih.gov/ginas/app/beta/substances/OI15TPX8QP\u003c/a\u003e"],"SMILES":"CC(C(=O)C1=CC=C(C=C1)OC)N2CCCC2","SaltData":[],"Salts":[],"StereoisomerData":[{"Aliases":null,"PubChemId":null,"SMILES":"COC1=CC=C(C(=O)[C@@H](C)N2CCCC2)C=C1","Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 118.615 52.933\"\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 0h119v53H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cpath d=\"m1.038 42.232 9.915 5.724M17.515 47.959l9.92-5.727\" class=\"bond\"/\u003e\u003cg 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class=\"hi\"/\u003e\u003c/g\u003e\u003c/g\u003e\u003c/svg\u003e","Title":"(S)-4'-Methoxy-α-pyrrolidinopropiophenone","UNII":null}],"StereoisomerType":"enantiomer","Stereoisomers":["(R)-4'-Methoxy-α-pyrrolidinopropiophenone","(S)-4'-Methoxy-α-pyrrolidinopropiophenone"],"Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 118.615 52.933\"\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 0h119v53H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cpath d=\"M80.228 42.232v-15.24M80.228 26.992l-13.199-7.62\" class=\"bond\"/\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"M65.81 20.076V8.053M68.249 20.076V8.053\"/\u003e\u003cpath stroke=\"#ff0d0d\" 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