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Heterocyclic building blocks

(±)-alpha-Methyltryptamine

Also known as alpha-Methyltryptamine, Indopan, alpha-Methyl-beta-indoleethylamine

CAS 299-26-3Formula C11H14N2Molar mass 174.25 g/molEC 206-073-7
GHS signal word: Danger. Pictograms: Acute toxicity (severe) Prohibited, not for trade
Why it is not for trade
(±)-alpha-Methyltryptamine chemical structure, C11H14N2, CAS 299-26-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
299-26-3
Formula
C11H14N2
Molar mass
174.25 g/mol
EC number
206-073-7
HS code
293399
Category
Heterocyclic building blocks

What is (±)-alpha-Methyltryptamine?

Plain description, key identifiers and synonyms

Alpha-methyltryptamine is a tryptamine derivative having a methyl substituent at the alpha-position.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(1H-indol-3-yl)propan-2-amine
CAS number
299-26-3 CAS number cross-checkedOther or deprecated CAS: 304-54-1
EC number
206-073-7
Molecular formula
C11H14N2
UNII
BIK35ACJ0Q
MDL number
MFCD00005654
InChIKey
QSQQQURBVYWZKJ-UHFFFAOYSA-N
InChI
InChI=1S/C11H14N2/c1-8(12)6-9-7-13-11-5-3-2-4-10(9)11/h2-5,7-8,13H,6,12H2,1H3
SMILES (canonical and isomeric)
CC(CC1=CNC2=CC=CC=C21)N

Synonyms

  • alpha-Methyltryptamine
  • Indopan
  • alpha-Methyl-beta-indoleethylamine
  • 1-(1H-Indol-3-yl)-2-propanamine
  • alpha-Methyl-1H-indole-3-ethanamine
  • alpha-Methyl-3-indoleethanamine
  • Indole, 3-(2-aminopropyl)-
  • Ro 3-0926
  • (+-)-alpha-Methyltryptamine
  • alphaMT
  • 1H-Indole-3-ethanamine, alpha-methyl-
  • 3-(2-Aminopropyl)indole
  • 1-(1H-indol-3-yl)propan-2-amine
  • DL-3-(2-Aminopropyl)indole
  • IT-403(D)
  • U 14164 E
  • It-290(dl)
  • u-14164e(dl)
  • DL-alfa-methyltryptamine
  • 1-indol-3-ylprop-2-ylamine
  • DL-alpha-Methyltryptamine
  • alpha-Methyl-beta-indolaethylamine
  • Spirals [Street Name]
  • U 14 (VAN)
  • IT-290(D,L)
Show all 34 synonyms
  • U-14164E(D,L)
  • (+-)-alpha-Methyl-1H-indole-3-ethanamine
  • Indole, 3-(2-aminopropyl)-, (+-)-
  • a-methyl tryptamine
  • Spirals
  • alpha-Methyl tryptamine
  • 2-(1H-indol-3-yl)-1-methylethylamine
  • ALPHA.MT
  • AMT-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
174.25 g/molcalc.
Exact mass
174.1157 Dacalc.
LogP (octanol/water)
2.06calc.
Topological polar surface area
41.81 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.27calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2[nH]ccc2c1

c1ccc2[nH]ccc2c1

2 rings, 9 atoms, the Indole ring system.

25,097 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
  • H330Fatal if inhaled.
Precautionary statements (18)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

(±)-alpha-Methyltryptamine suppliers

Trading restrictions apply to this substance

Psychotropic substance

(±)-alpha-Methyltryptamine is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

alpha-Methyltryptamine (AMT)

Reference: US DEA Schedule I or II

Our policy on controlled substances

(±)-alpha-Methyltryptamine price

Indicative price range per kg from live supplier offers

Prices are not shown for prohibited substances.

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

Psychotropic substance

(±)-alpha-Methyltryptamine is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

alpha-Methyltryptamine (AMT)

Reference: US DEA Schedule I or II

Our policy on controlled substances

Controls

  • US DEA controlled substance or listed chemical

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (±)-alpha-Methyltryptamine is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for (±)-alpha-Methyltryptamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (±)-alpha-Methyltryptamine, based on the data on this page

What is (±)-alpha-Methyltryptamine?

Alpha-methyltryptamine is a tryptamine derivative having a methyl substituent at the alpha-position.

What is the CAS number of (±)-alpha-Methyltryptamine?

The CAS registry number of (±)-alpha-Methyltryptamine is 299-26-3. Other or deprecated CAS numbers: 304-54-1.

What is the molecular formula and weight of (±)-alpha-Methyltryptamine?

The molecular formula of (±)-alpha-Methyltryptamine is C11H14N2 and its molar mass is 174.25 g/mol.

What is (±)-alpha-Methyltryptamine used for?

Known uses and roles of (±)-alpha-Methyltryptamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is (±)-alpha-Methyltryptamine hazardous?

(±)-alpha-Methyltryptamine carries the GHS signal word "Danger". Main hazards: fatal if swallowed, fatal in contact with skin, fatal if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (±)-alpha-Methyltryptamine?

(±)-alpha-Methyltryptamine is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Can I buy (±)-alpha-Methyltryptamine on CompoundList?

No. (±)-alpha-Methyltryptamine is on our prohibited list, so listings, quotes and messages for it are disabled. This page is kept for information only.

Guides for buyers

Practical guides that help when you source, ship or handle (±)-alpha-Methyltryptamine

Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page

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