Methylbutyltryptamine

Methylbutyltryptamine

Clinical data
Other names	MBT; N-Methyl-N-butyltryptamine
Routes of administration	Oral1
Drug class	Serotonergic psychedelic; Hallucinogen
ATC code	None
Pharmacokinetic data
Duration of action	4–6 hours1
Identifiers
IUPAC name N-[2-(1H-indol-3-yl)ethyl]-N-methylbutan-1-amine
CAS Number	848130-12-1 Y
PubChem CID	44719457
ChemSpider	21106349
UNII	UQ2K8W783S
CompTox Dashboard (EPA)	DTXSID501016744
Chemical and physical data
Formula	C15H22N2
Molar mass	230.355 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCCCN(C)CCC1=CNC2=CC=CC=C21
InChI InChI=1S/C15H22N2/c1-3-4-10-17(2)11-9-13-12-16-15-8-6-5-7-14(13)15/h5-8,12,16H,3-4,9-11H2,1-2H3 Key:PUEYINPKMCBJCA-UHFFFAOYSA-N

Methylbutyltryptamine (MBT), also known as N-methyl-N-butyltryptamine, is a lesser-known psychedelic drug of the tryptamine family related to dimethyltryptamine (DMT).¹

In his book TiHKAL (Tryptamines I Have Known and Loved), Alexander Shulgin lists the dose of MBT as 250 to 400 mg orally and the duration as 4 to 6 hours.¹ MBT produces a heavy body load with dehydration, and causes visuals similar to those of DMT.¹ Very little data exists about the pharmacological properties, metabolism, and toxicity of MBT.¹

The chemical synthesis of MBT has been described.¹

Analogues of MBT include 4-HO-MBT, 5-MeO-MBT, methylethyltryptamine (MET), methylpropyltryptamine (MPT), methylisopropyltryptamine (MiPT), methylallyltryptamine (MALT), among others.¹

TiHKAL mentions that a structural isomer of MBT exists, with the butyl group attached at the nitrogen atom.¹ It is known as N-sec-butyl-N-methyltryptamine, or MSBT.¹ However, little is known about its psychoactivity.¹