Clinical data
Other namesECYPLA
Legal status
Legal status
  • (6aR,9R)-N-Cyclopropyl-N-ethyl-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide
Chemical and physical data
Molar mass335.451 g·mol−1
3D model (JSmol)
  • CCN(C1CC1)C(=O)[C@@H]3C=C2c4cccc5ncc(C[C@H]2N(C)C3)c45
  • InChI=1S/C21H25N3O/c1-3-24(15-7-8-15)21(25)14-9-17-16-5-4-6-18-20(16)13(11-22-18)10-19(17)23(2)12-14/h4-6,9,11,14-15,19,22H,3,7-8,10,12H2,1-2H3/t14-,19-/m1/s1

ECPLA (N-ethyl-N-cyclopropyllysergamide) is an analog of lysergic acid diethylamide (LSD) developed by Synex Synthetics. In studies in mice, it was found to have approximately 40% the potency of LSD.[2][3]

See also


  1. ^ "Arrêté du 20 mai 2021 modifiant l'arrêté du 22 février 1990 fixant la liste des substances classées comme stupéfiants". (in French). 20 May 2021.
  2. ^ Halberstadt AL, Klein LM, Chatha M, Valenzuela LB, Stratford A, Wallach J, et al. (February 2019). "Pharmacological characterization of the LSD analog N-ethyl-N-cyclopropyl lysergamide (ECPLA)". Psychopharmacology. 236 (2): 799–808. doi:10.1007/s00213-018-5055-9. PMC 6848745. PMID 30298278.
  3. ^ Wagmann L, Richter LH, Kehl T, Wack F, Bergstrand MP, Brandt SD, et al. (July 2019). "In vitro metabolic fate of nine LSD-based new psychoactive substances and their analytical detectability in different urinary screening procedures" (PDF). Analytical and Bioanalytical Chemistry. 411 (19): 4751–4763. doi:10.1007/s00216-018-1558-9. PMID 30617391. S2CID 58615418.