{"Abbreviation":["LSA"],"Aliases":["Lysergic acid","CHEBI:6604","(8β)-9,10-didehydro-6-methylergoline-8-carboxylic acid","Ergoline-8-carboxylic acid, 9,10-didehydro-6-methyl-, (8β)-","Acid, Lysergic","(6aR,9R)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo(4,3-fg)quinoline-9-carboxylic acid","7-Methyl-4,6,6a,7,8,9-hexahydroindolo(4,3-fg)quinoline-9-carboxylic acid","(9R)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo(4,3-fg)quinoline-9-carboxylic acid","Dtxcid901333665","(6aR,9R)-7-methyl-4,6,6a,7,8,9-hexahydroindolo(4,3-fg)quinolin-7-ium-9-carboxylate","201-431-9","Ergoline Acid","Lysergic Acid Hydrate","(8R)-9,10-didehydro-6-methylergoline-8-carboxylic acid","Einecs 201-431-9","Schembl183687","DEA No. 7300","Pdsp2_000050","Akos030240864","Methylergometrine Maleate EP Impurity A","NS00041135","ST50406113","C07541","Q415837","Ergometrine maleate impurity a","(8β)-6-methyl-9,10-didehydroergoline-8-carboxylic acid","(8β)-9,10-Didehydro-6-methylergoline-8-carboxylic acid","(6aR,9R)-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxylic acid"],"CAS":"82-58-6","ChemicalClasses":["ergoline"],"Chirality":"absolute","Classes":["Psychedelic"],"DBI-IGS":["LSA"],"DTXSID":"RefChem:154746","Dosing Info":[],"Erowid Experience Reports":[{"Author":"Friedphish","Id":32055,"Title":"Held Out Lessons Left Untaught"},{"Author":"klanonymous","Id":60244,"Title":"Spritual Ecstasy"},{"Author":"Justin","Id":55484,"Title":"Lysergic Bioassay II - Being a Conduit for Ch"},{"Author":"Justin","Id":55483,"Title":"Lysergic Bioassay I - Visual and Auditory"},{"Author":"Tony A.","Id":1450,"Title":"Liquid LSA from HBWR seeds"},{"Author":"sparr0whawk","Id":16767,"Title":"LSA Brownies!"},{"Author":"Candy man","Id":13770,"Title":"An Art"},{"Author":"lawnboy","Id":10186,"Title":"Mostly Non-visual with High Level of Sedation"},{"Author":"MS","Id":7147,"Title":"Becoming Another Brick In The Wall"},{"Author":"iJoe","Id":5502,"Title":"No-Barf Sublingual Technique"},{"Author":"jman","Id":3856,"Title":"Morning Glory at the Beach"},{"Author":"zea|0t","Id":11708,"Title":"Re-Wiring My Senses"},{"Author":"Justin","Id":55485,"Title":"Lysergic Bioassay III - Cosmic Transducer"},{"Author":"Chips","Id":57110,"Title":"Pain Flows Out"},{"Author":"Anon123","Id":108126,"Title":"Saving the Universe or Something"},{"Author":"Mandel","Id":57508,"Title":"Ergine Extraction"}],"Esters":[],"European Community (EC) Number":"201-431-9","Formating":[],"HeavyAtomCount":20,"IUPACName":"(6aR,9R)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxylic acid","InChI":"InChI=1S/C16H16N2O2/c1-18-8-10(16(19)20)5-12-11-3-2-4-13-15(11)9(7-17-13)6-14(12)18/h2-5,7,10,14,17H,6,8H2,1H3,(H,19,20)/t10-,14-/m1/s1","InChIKey":"ZAGRKAFMISFKIO-QMTHXVAHSA-N","MeSH Headers":[{"Id":"M0012832","Link":"https://id.nlm.nih.gov/mesh/M0012832.html","Name":"Lysergic Acid","Ref":27},{"Id":"DescTree","Link":"https://www.nlm.nih.gov/mesh/meshhome.html","Name":"MeSH Tree","Ref":28},{"Id":"PubMed from MeSH","Link":"https://www.nlm.nih.gov/mesh/meshhome.html","Name":null,"Ref":44}],"MolecularFormula":"C\u003csub\u003e16\u003c/sub\u003eH\u003csub\u003e16\u003c/sub\u003eN\u003csub\u003e2\u003c/sub\u003eO\u003csub\u003e2\u003c/sub\u003e","MolecularWeight":"268.31 g/mol","Opticalactivity":"UNSPECIFIED","PubChemId":6717,"Records":{"UNII":{"Impurities":[]}},"RefChem":"154746","RefCount":3,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/Lysergic_acid","Name":"Lysergic acid","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/6717","Name":"Lysergic acid","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=82-58-6","Name":"Lysergic acid","Sub":false}]},{"Name":"KEGG","Urls":[{"Link":"https://www.kegg.jp/entry/C07541","Name":"Lysergic acid","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/ITO20DAO7J","Name":"Lysergic acid","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID60904515","Name":"Lysergic acid","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 6717, Lysergic acid. Accessed May 17, 2026. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/6717\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/6717\u003c/a\u003e","U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Lysergic acid. UNII: ITO20DAO7J. Global Substance Registration System. 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