Clinical data
Routes of
Pharmacokinetic data
Metabolism hepatic
Excretion renal
Synonyms LSM-775, N-Morpholinyllysergamide, Lysergic acid morpholide
CAS Number 4314-63-0 YesY
PubChem (CID) 199507
ChemSpider 172695 YesY
Chemical and physical data
Formula C20H23N3O2
Molar mass 337.43 g/mol
3D model (Jmol) Interactive image

N-Morpholinyllysergamide (LSM-775) is a derivative of ergine.[1] It is reported to have some LSD-like effects at doses ranging from 75 to 700 micrograms and a shorter duration and that there fewer signs of cardiovascular stimulation and peripheral toxicity compared to LSD-25.[2]


  1. John H. Gogerty, James M. Dille (July 1957). "Pharmacology of d-lysergic acid morpholide (LSM)". The Journal of Pharmacology And Experimental Therapeutics. 120 (3): 340–348. PMID 13476356.
  2. Alexander and Ann Shulgin. "TiHKAL #26, LSD-25". Erowid.
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