{"Abbreviation":"PCPA","Aliases":["4-Chloro-DL-phenylalanine","4-Chlorophenylalanine","Fenclonin","Fenchlonine","p-Chlorophenylalanine","PCPA","para-Chlorophenylalanine","Fenclonina","3-(p-Chlorophenyl)alanine","CP-10188","Fencloninum","CP-10,188","Alanine, 3-(4-chlorophenyl)-","p-Chlorphenylalanine","CP 10,188","P-chlorophenylalanine","Hydrobromide, Fenclonine","Hydrochloride, Fenclonine","Para chlorophenylalanine","231-051-9","3-(4-Chlorophenyl)alanine","p-chlorophenylalanine","C-Pal","Phenylalanine, 4-chloro-","H-dl-phe(4-cl)-oh"],"Biological Half-Life":"The plasma half times for 6-FT and pCPA were about 3.5 and 10.5 hours.","CAS":"7424-00-2","ChEBI":"CHEBI:110187","ChEMBL":"CHEMBL1256351","ChemicalClasses":["amino acid"],"Chirality":"racemic","ChiralityAminoAcid":true,"Classes":["Tryptophan hydroxylase inhibitor"],"Color/Form":"Crystals from methanol","Drug Warnings":"... When the 5-HT concentration in sexually deficient men is sufficiently decreased with parachlorophenylalanine (PCPA) treatment and testosterone levels increased following its administration, a vivid sexual stimulation appears in about half of the untractable cases. Similar results are observed by substituting testosterone with monoamine oxydase inhibitor (MAOI) in PCPA-treated volunteers. . ...","EINECS":"231-051-9","Erowid Experience Reports":null,"Esters":[],"European Community (EC) Number":"217-874-6","Formating":[],"HMDB ID":"HMDB0244605","HeavyAtomCount":13,"IUPACName":"2-amino-3-(4-chlorophenyl)propanoic acid","InChI":"InChI=1S/C9H10ClNO2/c10-7-3-1-6(2-4-7)5-8(11)9(12)13/h1-4,8H,5,11H2,(H,12,13)","InChIKey":"NIGWMJHCCYYCSF-UHFFFAOYSA-N","MeSH Pharmacological Classification":"Drugs that bind to but do not activate serotonin receptors, thereby blocking the actions of serotonin or SEROTONIN RECEPTOR AGONISTS. (See all compounds classified as Serotonin Antagonists.)","Melting Point":"238-240 °C","MolecularFormula":"C\u003csub\u003e9\u003c/sub\u003eH\u003csub\u003e10\u003c/sub\u003eClNO\u003csub\u003e2\u003c/sub\u003e","MolecularWeight":"199.63 g/mol","PubChemId":4652,"RefCount":2,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/Fenclonine","Name":"Fenclonine","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/4652","Name":"Fenclonine","Sub":false}]},{"Name":"ChEMBL","Urls":[{"Link":"https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1256351","Name":"Fenclonine","Sub":false}]},{"Name":"ChEBI","Urls":[{"Link":"https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:110187","Name":"Fenclonine","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=7424-00-2","Name":"Fenclonine","Sub":false}]},{"Name":"HMDB","Urls":[{"Link":"https://hmdb.ca/metabolites/HMDB0244605","Name":"Fenclonine","Sub":false}]},{"Name":"KEGG","Urls":[{"Link":"https://www.kegg.jp/entry/D04143","Name":"Fenclonine","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/R5J7E3L9SP","Name":"Fenclonine","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID4045139","Name":"Fenclonine","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 4652, Fenclonine. Accessed July 21, 2025. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/4652\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/4652\u003c/a\u003e"],"SMILES":"C1=CC(=CC=C1CC(C(=O)O)N)Cl","SaltData":[],"Salts":[],"StereoisomerData":[{"Aliases":null,"PubChemId":null,"SMILES":"N[C@H](Cc1ccc(Cl)cc1)C(=O)O","Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 105.115 51.824\"\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 0h106v52H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"M71.943 25.941h-.7\"/\u003e\u003cpath stroke=\"#3050f8\" d=\"M72.235 28.481h-1.283M72.527 31.021H70.66M72.818 33.561h-2.45M73.11 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