5-MeO-MPMI

5-MeO-MPMI
Clinical data
Other names	5-Methoxy-N-methyl-(α,N-trimethylene)tryptamine; CP-108509; CP108509
Drug class	Serotonergic psychedelic; Hallucinogen
ATC code	None;
Legal status
Legal status	DE: NpSG (Industrial and scientific use only); UK: Class A;
Identifiers
	IUPAC name 5-methoxy-3-[(1-methylpyrrolidin-2-yl)methyl]-1H-indole;
CAS Number	143321-57-7 Y;
PubChem CID	10060391;
ChemSpider	8235945 Y;
UNII	N29TFW7VRV;
ChEMBL	ChEMBL137485 Y;
CompTox Dashboard (EPA)	DTXSID401027538 ;
Chemical and physical data
Formula	C15H20N2O
Molar mass	244.338 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CN1CCCC1CC2=CNC3=C2C=C(C=C3)OC;
	InChI InChI=1S/C15H20N2O/c1-17-7-3-4-12(17)8-11-10-16-15-6-5-13(18-2)9-14(11)15/h5-6,9-10,12,16H,3-4,7-8H2,1-2H3 Y; Key:MKEGUJPBCIXABO-UHFFFAOYSA-N Y;
	NY (what is this?) (verify)

Chemical compound

Pharmaceutical compound

5-MeO-MPMI (developmental code name CP-108509), also known as 5-methoxy-N-methyl-(α,N-trimethylene)tryptamine, is a psychedelic drug of the pyrrolidinylmethylindole and cyclized tryptamine families.^[1]

Interactions

Pharmacology

Pharmacodynamics

5-MeO-MPMI produces psychedelic-appropriate responding in animal tests, with similar potency to DOI.^[1] It has two enantiomers, with only the (R)-enantiomer being active.^[1]

Chemistry

Analogues

Analogues of 5-MeO-MPMI include MPMI, 4-HO-MPMI, 5-fluoro-MPMI, 5-MeO-pyr-T, CP-122288, CP-135807, and eletriptan, among others.

History

5-MeO-MPMI was first developed by the team led by J. E. Macor and colleagues in 1992.^[2] It was subsequently investigated by the team led by David E. Nichols from Purdue University in the late 1990s.^[1]

Society and culture

Legal status

5-MeO-MPMI is not a controlled substance in Canada as of 2025.^[3]

References

1 2 3 4 Gerasimov M, Marona-Lewicka D, Kurrasch-Orbaugh DM, Qandil AM, Nichols DE (1999). "Further studies on oxygenated tryptamines with LSD-like activity incorporating a chiral pyrrolidine moiety into the side chain". Journal of Medicinal Chemistry. 42 (20): 4257–4263. CiteSeerX 10.1.1.690.4941. doi:10.1021/jm990325u. PMID 10514296.
↑ Macor JE, Blake J, Fox CB, Johnson C, Koe BK, Lebel LA, Morrone JM, Ryan K, Schmidt AW, Schulz DW, et al. (1992). "Synthesis and serotonergic pharmacology of the enantiomers of 3-[(N-methylpyrrolidin-2-yl)methyl]-5-methoxy-1H-indole: discovery of stereogenic differentiation in the aminoethyl side chain of the neurotransmitter serotonin". Journal of Medicinal Chemistry. 35 (23): 4503–4505. doi:10.1021/jm00101a032. PMID 1447752.
↑ "Controlled Drugs and Substances Act". Department of Justice Canada. Retrieved 19 January 2026.

External links

5-MeO-MPMI - Isomer Design

[GerasimovMarona-LewickaKurrasch-Orbaugh1999-1] 1 2 3 4 Gerasimov M, Marona-Lewicka D, Kurrasch-Orbaugh DM, Qandil AM, Nichols DE (1999). "Further studies on oxygenated tryptamines with LSD-like activity incorporating a chiral pyrrolidine moiety into the side chain". Journal of Medicinal Chemistry. 42 (20): 4257–4263. CiteSeerX 10.1.1.690.4941. doi:10.1021/jm990325u. PMID 10514296.

[MacorBlakeFox1992-2] Macor JE, Blake J, Fox CB, Johnson C, Koe BK, Lebel LA, Morrone JM, Ryan K, Schmidt AW, Schulz DW, et al. (1992). "Synthesis and serotonergic pharmacology of the enantiomers of 3-[(N-methylpyrrolidin-2-yl)methyl]-5-methoxy-1H-indole: discovery of stereogenic differentiation in the aminoethyl side chain of the neurotransmitter serotonin". Journal of Medicinal Chemistry. 35 (23): 4503–4505. doi:10.1021/jm00101a032. PMID 1447752.

[CDSA-3] "Controlled Drugs and Substances Act". Department of Justice Canada. Retrieved 19 January 2026.

[1]

[2]

[3]

v t e Tryptamines
Tryptamines	1-Benzoyl-DMT 1-Methyl-DMT (1,N,N-TMT, 1-TMT) 1-Methyl-T 2-HO-NMT 2-Methyl-DET 2-Methyl-DiPT 2-Methyl-iPALT (ASR-3002) 2,N,N-TMT (2-methyl-DMT) 3-IAAR 4-Fluoro-DMT 4-Fluoro-T 4-MeS-DMT 4-Methyl-DMT 5-Bromo-DMT 5-Bromo-T 5-Chloro-DMT 5-Chloro-T 5-CT 5-Ethyl-DMT 5-Fluoro-DET 5-Fluoro-DMT 5-Fluoro-EPT 5-Fluoro-NiPT 5-Fluoro-T 5-Me-MiPT 5-MeS-DMT 5-Methyl-DMT 5-Methyl-T 5-Nitro-T (Nitro-I) 6-Fluoro-DET 6-Fluoro-DMT 6-Fluoro-T 6-HO-DET 6-HO-DMT 6-HO-T (6-HT) 6-MeO-DMT 6-MeO-T 6-Methyl-DMT 6-Methyl-T 6,7-DHT 7-Chloro-T 7-Fluoro-T 7-HO-DMT 7-HO-T (7-HT) 7-MeO-DMT 7-MeO-T 7-Methyl-DMT 7-Methyl-T 7-Hydroxytryptophan Acetryptine (5-AT) Almotriptan Benzotript (4-CB-Trp) BGE Bretisilocin (5-fluoro-MET; GM-2505) Convolutindole A (2,4,6-TBr,1,7-DiMeO-DMT) CPI-CG-8 DALT DAT DBT Desformylflustrabromine DET (T-9) DHT DiPT DMT DPT E-6801 E-6837 EB-003 EiPT EPT FGIN-127 FGIN-143 GR-46611 HBL20016 (5-MeS-6-F-DMT) HBL20017 (4-F-5-MeS-DMT) Idalopirdine iPALT (ALiPT; ASR-3003) Lespedamine (1-MeO-DMT) L-694247 MBT McPT MET MiPT MPT MsBT N-Benzyltryptamine (T-NB, NB-T, NBnT) N-(2-Cyanoethyl)tryptamine (CE-T) N-DEAOP-NET N-DEAOP-NMT N-Phosphonooxymethyl-DMT (N-POM-DMT) NAT NBoc-DMT (NB-DMT) NcPT NET/NETP NPT NHT NiPT NMT NsBT NtBT PALT (ASR-3004) PiPT Rizatriptan ST-1936 (2-Me-5-Cl-DMT) Sumatriptan T-NBOMe TCS-1205 Tryptamine (T; indolylethylamine) Tryptophan (Trp) WAY-181187 Yuremamine Z2876442907 ZCZ-011 Zolmitriptan
4-Hydroxytryptamines and esters/ethers	1-Methylpsilocin (CMY-16) 4-AcO-DALT 4-AcO-DET (ethacetin, ethylacybin) 4-AcO-DiPT (ipracetin) 4-AcO-DMT (psilacetin; O-acetylpsilocin) 4-AcO-DPT (depracetin) 4-AcO-EiPT (ethipracetin) 4-AcO-EPT 4-AcO-MALT 4-AcO-McPT 4-AcO-MET (metacetin) 4-AcO-MiPT (mipracetin) 4-AcO-MPT 4-AcO-NMT 4-AcO-TMT 4-HO-5-MeO-T 4-HO-DALT (daltocin) 4-HO-DBT 4-HO-DET (ethocin; CZ-74) 4-HO-DiBT 4-HO-DiPT (iprocin) 4-HO-DPT (deprocin) 4-HO-DsBT 4-HO-EiBT (eibucin) 4-HO-EiPT 4-HO-EPT (eprocin) 4-HO-MALT (maltocin) 4-HO-MET (metocin) 4-HO-McPT 4-HO-McPeT 4-HO-MiPT (miprocin) 4-HO-MPT (meprocin) 4-HO-MsBT 4-HO-NALT 4-HO-NBnT 4-HO-NcHT 4-HO-NET 4-HO-NiPT 4-HO-NBT (4-HO-NnBT) 4-HO-NPT 4-HO-NtBT 4-HO-PiPT (piprocin) 4-HO-TMT 4-HT (dinorpsilocin) 4-MeO-DET 4-MeO-DiPT 4-MeO-DMT 4-MeO-MiPT 4-MeO-T 4-PrO-DiPT 4-PrO-DMT 4-PrO-MET 4,5-DHT 4,5-MDO-DMT 4,5-MDO-DiPT Aeruginascin (4-PO-TMT) Baeocystin (4-PO-NMT) EB-002 (EB-373) Ethocybin (4-PO-DET; CEY-19) Luvesilocin (4-GO-DiPT; RE-104; FT-104) MSP-1014 Norbaeocystin (4-PO-T) Norpsilocin (4-HO-NMT) O-4310 (1-iPrO-6-F-psilocin) Psilocin (4-HO-DMT; CX-59) Psilocybin (4-PO-DMT; CY-39) Psilomethoxin (4-HO-5-MeO-DMT) Psilomethoxybin (4-PO-5-MeO-DMT) RE-109 (4-GO-DMT)
5-Hydroxy- and 5-methoxytryptamines	1-Acetyl-5-MeO-DMT 2-Methyl-5-HT 2-Methyl-5-MeO-DALT 4-HO-5-MeO-T 4-F-5-MeO-DMT 4,5-DHP-DMT 4,5-DHT 4,5-MDO-DMT 4,5-MDO-DiPT 5-BT 5-Ethoxy-DMT 5-HO-DET 5-HO-DiPT 5-HO-DPT 5-HO-MET 5-HO-NiPT 5-HTP (oxitriptan) 5-MeO-2-TMT 5-MeO-34MPEMT 5-MeO-7,N,N-TMT 5-MeO-DALT 5-MeO-DBT 5-MeO-DET 5-MeO-DiPT 5-MeO-DMT (N,N,O-TMS; O-methylbufotenine) 5-MeO-DPT 5-MeO-EiPT 5-MeO-EPT 5-MeO-MALT 5-MeO-MBT 5-MeO-MET 5-MeO-MiPT 5-MeO-MsBT 5-MeO-NET 5-MeO-NiPT 5-MeO-NMT (O,N-DMS) 5-MeO-NsBT 5-MeO-PiPT 5-MeO-NBpBrT 5-MeO-T (5-MT; mexamine; O-methylserotonin) 5-MeO-T-NBOMe 5-MeO-T-NB3OMe 5-MTP (cytoguardin) 5-NOT 5-PhO-T (OVT2) 5,6-DHT 5,6-DiMeO-DiPT (5,6-MeO-DiPT) 5,6-MDO-DiPT 5,6-MDO-DMT 5,6-MDO-MiPT 5,6-MeO-MiPT 5,7-DHT Arachidonoyl serotonin ASR-3001 (5-MeO-iPALT) BAB Benanserin (BAS; SQ-4788) BGC20-761 Bufotenidine (5-HTQ; N,N,N-TMS) Bufotenin (5-HO-DMT; N,N-DMS; mappine) Bufoviridine (5-SO-DMT) CP-132,484 Cqd 280 Cqd 285 Cqdd 280 Donitriptan EMDT (2-Et-5-MeO-DMT) HIOC Indorenate (TR-3369) IS-159 Isamide (N-CA-5-MT) L-741604 MS-245 N-DEAOP-5-MeO-NET N-DEAOP-5-MeO-NMT N-Feruloylserotonin (moschamine) NB-5-MeO-DALT NB-5-MeO-DMT NB-5-MeO-MiPT Norbufotenin (5-HO-NMT; NMS) O-Acetylbufotenine (5-AcO-DMT) O-Pivalylbufotenine (5-t-BuCO-DMT) Psilomethoxin (4-HO-5-MeO-DMT) Psilomethoxybin (4-PO-5-MeO-DMT) Serotonin (5-HT)
N-Acetyltryptamines	2-Iodomelatonin 2-Phenylmelatonin 5-Methoxyluzindole 6-Chloromelatonin 6-Fluoromelatonin 6-Hydroxymelatonin 6-Methoxymelatonin 6,7-Dichloro-2-methylmelatonin α-Methylmelatonin Luzindole Melatonin (N-Ac-O-Me-serotonin; N-Ac-5-MeO-T) Normelatonin (N-acetylserotonin; NAS) N-Acetyltryptamine N-Butanoylmelatonin N-Propionylmelatonin Piromelatine TIK-301 (LY-156735)
α-Alkyltryptamines	1-Methyl-AMT 2,α-DMT (2-Me-AMT) 4-HO-αET 4-HO-αMT (MP-14) 4-Methyl-αET 4-Methyl-αMT (MP-809) 5-Chloro-αET (PAL-526) 5-Chloro-αMT (PAL-542) 5-Fluoro-αET (PAL-545) 5-Fluoro-αMT (PAL-212; PAL-544) 5-Methyl-αET 6-Fluoro-αMT 7-Chloro-αMT 7-Me-αET α-Methyltryptophan (αMTP) α,N-DMT (N-Me-αMT; SKF-7024, Ro 3-1715) α,N,N-TMT (α-Me-DMT; Alpha-N) αET (etryptamine; Monase) αMT (Indopan; IT-290; 3-API; 3-IT) IPAP (α,N-DPT) N-Hydroxy-AMT Soclenicant (BNC-210; Ile–Trp) 5-Hydroxy- and 5-alkoxy-α-alkyltryptamines: 1-Pr-5-MeO-AMT 5-Allyloxy-AMT 5-Ethoxy-αMT 5-iPrO-αMT 5-MeO-αET 5-MeO-αMT (α,O-DMS; Alpha-O) α-Methyl-5-HTP α-Methylmelatonin α-Methylserotonin (5-HO-αMT; α-Me-5-HT) α,N,O-TMS (5-MeO-α,N-DMT) α,N,N,O-TeMS (5-MeO-α,N,N-TMT) AL-37350A (4,5-DHP-αMT) BW-723C86 β-Keto-α-alkyltryptamines: BK-5Br-NM-AMT BK-5Cl-NM-AMT BK-5F-NM-AMT BK-NM-AMT
α-Ketotryptamines	AB-CHMIATA ADB-FUBIATA (ADB-FUBIACA) ADB-IACA AFUBIATA CH-FUBIATA (CH-FUBIACA) CH-HEXIATA CH-IACA CH-PIATA CH-PIATA N-(4-carboxybutyl) CH-PIATA N-(4-hydroxypentyl) CHM-FUBIATA
Cyclized tryptamines	5-MeO-IsoqT Barettin BML-190 (indomethacin morpholinylamide) Cyclic 3-OHM Ergolines and lysergamides (e.g., LSD) Harmala alkaloids and β-carbolines (e.g., 5-methoxyharmalan, norharmine 6-MeO-THH, 6-methoxyharmalan, 9-Me-BC, β-carboline (norharman), fenharmane, harmaline, harmalol, harmane, harmine, LY-266,097, pinoline, tetrahydroharmine, tryptoline) Iboga alkaloids (e.g., ibogaine, ibogamine, noribogaine, tabernanthine) Ibogalogs (e.g., catharanthalog, fluorogainalog, ibogainalog, ibogaminalog (DM-506), LS-22925, noribogainalog, noribogaminalog, PHA-57378, Pharm-136, PNU-22394, tabernanthalog) Imidazolylindoles (e.g., AGH-107, AGH-192, AH-494) Metralindole Morpholinylethylindoles (e.g., mor-T, 5-MeO-mor-T) Partial ergolines and lysergamides (e.g., NDTDI, RU-27849, RU-28251, RU-28306, FHATHBIN, LY-178210, LY-301317, Bay R 1531 (LY-197206), LY-293284, 10,11-seco-LSD, 10,11-secoergoline (α,N-Pip-T), CT-5252) Pertines (e.g., alpertine, milipertine, oxypertine, solypertine) Piperidinylethylindoles (e.g., pip-T, 5-MeO-pip-T, indoramin, indolylethylfentanyl) Pyrrolidinylethylindoles (e.g., pyr-T, 4-HO-pyr-T, 5-MeO-pyr-T, 4-F-5-MeO-pyr-T, L-760790) Pyrrolidinylmethylindoles (e.g., MPMI, 4-HO-MPMI (lucigenol), 5F-MPMI, 5-MeO-MPMI, CP-122288, CP-135807, eletriptan, MSP-2020) Tetrahydrocarbazolamines (e.g., ciclindole, flucindole, frovatriptan, LY-344864, ramatroban) Tetrahydropyridinylindoles (e.g., RS134-49, RU-28253, NEtPhOH-THPI) Tetrahydropyrroloquinolines (e.g., bufothionine, O-methylnordehydrobufotenine, dehydrobufotenine) Yohimbans (e.g., yohimbine, rauwolscine, spegatrine, corynanthine, ajmalicine, reserpine, deserpidine, rescinnamine) Z5247692566
Isotryptamines	5-MeO-isoDMT 6-MeO-isoDMT isoAMT (1-API; 1-IT; α-Me-isoT) isoDMT Isotryptamine (isoT) Ro60-0175 VER-3323 Zalsupindole (DLX-001, AAZ-A-154) Cyclized isotryptamines: DLX-0002700 JRT PNU-181731
Related compounds	1-Methylmedmain 2-Azapsilocin 2,3-Dihydro-L-tryptophan 2,3-Dihydrotryptamine 2,3-Dihydro-DMT 2,3-Dihydro-NMT 2,3-Dihydro-DET 4-Aza-5-MeO-DPT 5-Aza-4-MeO-DiPT 5-HIAA 5-HIAL 5-HITCA 5-MIAL 7-Aza-5-MeO-DiPT α-Carboline γ-Carbolines (pyridoindoles) (e.g., γ-carboline, 2MePI, 8MeO-2MePI, alosetron, gevotroline, latrepirdine, lurosetron, mebhydrolin, tiflucarbine) Amedalin Benzindopyrine Benzydamine Benzofurans (e.g., 3-APB (1-oxa-AMT), 5-MeO-DiBF (1-oxa-5-MeO-DiPT), BPAP, 3-F-BPAP, dimemebfe (5-MeO-BFE; 1-oxa-5-MeO-DMT), mebfap (5-MeO-3-APB; 1-oxa-5-MeO-AMT), MiPBF (1-oxa-MiPT), oxa-noribogaine) Benzothiophenes (e.g., S-DMT (1-thia-DMT), 3-APBT (1-thia-AMT)) Carmoxirole CT-4436 Daledalin Gramine Histamine Homotryptamines (e.g., HT, DMHT) I-32 IAL Indalpine Indazolethylamines (e.g., AL-34662, AL-38022A, O-methyl-AL-34662, VU6067416, YM-348) Indenylethylamines (e.g., C-DMT (1-carba-DMT)) Indolizinylethylamines (e.g., TACT908 (2ZEDMA), 1ZP2MA, 1Z2MAP1O) Indolylaminopropanes (e.g., 1-API, 2-API, 4-API, 5-API (5-IT; PAL-571), 6-API (6-IT), 7-API) Iprindole Masupirdine Medmain Methylindolylethylpyridine (IN-399) Molindone Non-tryptamine triptans (e.g., avitriptan, LY-334370, naratriptan) Ondansetron Oxazinopyridoindoles (e.g., IHCH-8134) Phenethylamines (e.g., phenethylamine, amphetamine) Piperazinylbenzisothiazoles (e.g., lurasidone, perospirone, tiospirone, ziprasidone) Piperidinylbenzimidazolines (e.g., benperidol, timiperone) Piperidinylbenzisoxazoles (e.g., iloperidone, milsaperidone, ocaperidone, paliperidone, risperidone) Piperidinylindoles (e.g., BRL-54443, LY-334370, naratriptan, sertindole, SN-22) Pirlindole Pyridinylbenzimidazoles (e.g., droperidol) Pyridinylindoles (e.g., tepirindole) Pyridopyrroloquinoxalines (e.g., IHCH-7113, IHCH-7079, IHCH-7086, lumateperone, deulumateperone, ITI-1549) Pyrrolylethylamines (e.g., 2-pyrrolylethylamine (NEA), 3-pyrrolylethylamine (3-NEA), 3-pyrrolylpropylamine) Pyrrolopyridinylethylamines (e.g., WAY-208466) Quinolinylethylamines (e.g., mefloquine) Ro60-0213 Selisistat Tetrahydropyridinylindoles (e.g., EMD-386088, LY-367265, RU-24,969) Tetrahydropyridinylpyrrolopyridines (e.g., (R)-69 (3IQ), (R)-70, CP-93129, CP-94253) Tetrindole Tipindole Zilpaterol (RU-42173)
See also: Phenethylamines Ergolines and lysergamides Psychedelics Simple tryptamines and common derivatives