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Heterocyclic building blocks

alpha-Ethyltryptamine

Also known as Etryptamine, 3-(2-Aminobutyl)indole, 3-Indolylbutylamine

CAS 2235-90-7Formula C12H16N2Molar mass 188.27 g/mol
1 supplier listed
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alpha-Ethyltryptamine chemical structure, C12H16N2, CAS 2235-90-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2235-90-7
Formula
C12H16N2
Molar mass
188.27 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is alpha-Ethyltryptamine?

Plain description, key identifiers and synonyms

Etryptamine is a member of indoles.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(1H-indol-3-yl)butan-2-amine
CAS number
2235-90-7 CAS number cross-checked
Molecular formula
C12H16N2
UNII
GR181O3R32
InChIKey
ZXUMUPVQYAFTLF-UHFFFAOYSA-N
InChI
InChI=1S/C12H16N2/c1-2-10(13)7-9-8-14-12-6-4-3-5-11(9)12/h3-6,8,10,14H,2,7,13H2,1H3
SMILES (canonical and isomeric)
CCC(CC1=CNC2=CC=CC=C21)N

Synonyms

  • Etryptamine
  • 3-(2-Aminobutyl)indole
  • 3-Indolylbutylamine
  • Etriptamina
  • Monase
  • Ro 3-1932
  • Etryptaminum
  • 1H-Indole-3-ethanamine, alpha-ethyl-
  • alphaET
  • 2-ethyltryptamine
  • 3-(2-aminobutylindole)
  • 1-(1H-indol-3-yl)butan-2-amine
  • Indole, 3-(2-aminobutyl)-
  • (+-)-Etryptamine
  • alpha-Ethyltryptamine acetate
  • 1-(1H-Indol-3-ylmethyl)-propylamine
  • DL-alpha-Ethyltryptamine acetate
  • Indole, 3-(2-aminobutyl)-, acetate
  • Indole, 3-(2-aminobutyl)-, monoacetate
  • DEA No. 7249
  • 1H-Indole-3-ethanamine, alpha-ethyl-, monoacetate
  • a-ethyl tryptamine
  • alpha-Ethyl-1H-indole-3-ethanamine
  • 1-(1H-indol-3-ylmethyl)propylamine
  • alpha-ethyl tryptamine
Show all 30 synonyms
  • Alpha-Ethyltryptamine,
  • AET-
  • (.+/-.)-Etryptamine
  • 1H-Indole-3-ethanamine, alpha-ethyl- (9CI)
  • Etryptamine acetate(USAN)

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
188.27 g/molcalc.
Exact mass
188.1313 Dacalc.
LogP (octanol/water)
2.45calc.
Topological polar surface area
41.81 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

alpha-Ethyltryptamine suppliers

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Where suppliers are based

1 supplier in 1 country

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alpha-Ethyltryptamine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

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-Ethyltryptamine 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-Ethyltryptamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about alpha-Ethyltryptamine, based on the data on this page

What is alpha-Ethyltryptamine?

Etryptamine is a member of indoles.

What is the CAS number of alpha-Ethyltryptamine?

The CAS registry number of alpha-Ethyltryptamine is 2235-90-7.

What is the molecular formula and weight of alpha-Ethyltryptamine?

The molecular formula of alpha-Ethyltryptamine is C12H16N2 and its molar mass is 188.27 g/mol.

What is alpha-Ethyltryptamine used for?

Known uses and roles of alpha-Ethyltryptamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is alpha-Ethyltryptamine hazardous?

No GHS hazard classification for alpha-Ethyltryptamine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of alpha-Ethyltryptamine?

alpha-Ethyltryptamine 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.

Where can I buy alpha-Ethyltryptamine?

CompoundList lists 1 supplier of alpha-Ethyltryptamine in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of alpha-Ethyltryptamine?

Suppliers quote alpha-Ethyltryptamine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle alpha-Ethyltryptamine

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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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