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Screening compounds

Etonitazepyne

Also known as N-Pyrrolidino etonitazene, 2-(4-Ethoxybenzyl)-5-nitro-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzo(d)imidazole, N-Pyrrolidino etonitazene (nflis-drug)

CAS 2785346-75-8Formula C22H26N4O3Molar mass 394.48 g/mol
Prohibited, not for trade
Why it is not for trade
Etonitazepyne chemical structure, C22H26N4O3, CAS 2785346-75-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2785346-75-8
Formula
C22H26N4O3
Molar mass
394.48 g/mol
HS code
293399
Category
Screening compounds

What is Etonitazepyne?

Plain description, key identifiers and synonyms

2-(4-ethoxybenzyl)-5-nitro-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzimidazole is a DEA Schedule I controlled substance. Substances in the DEA Schedule I have no currently accepted medical use in the United States, a lack of accepted safety for use under medical supervision, and a high potential for abuse. It is a Opiates substance.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(4-ethoxyphenyl)methyl]-5-nitro-1-(2-pyrrolidin-1-ylethyl)benzimidazole
CAS number
2785346-75-8
Molecular formula
C22H26N4O3
UNII
8HY67JQ9ZH
InChIKey
LQZWZCJCEPUKCJ-UHFFFAOYSA-N
InChI
InChI=1S/C22H26N4O3/c1-2-29-19-8-5-17(6-9-19)15-22-23-20-16-18(26(27)28)7-10-21(20)25(22)14-13-24-11-3-4-12-24/h5-10,16H,2-4,11-15H2,1H3
SMILES (canonical and isomeric)
CCOC1=CC=C(C=C1)CC2=NC3=C(N2CCN4CCCC4)C=CC(=C3)[N+](=O)[O-]

Synonyms

  • N-Pyrrolidino etonitazene
  • 2-(4-Ethoxybenzyl)-5-nitro-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzo(d)imidazole
  • N-Pyrrolidino etonitazene (nflis-drug)
  • 2-[(4-ethoxyphenyl)methyl]-5-nitro-1-(2-pyrrolidin-1-ylethyl)benzimidazole
  • DEA NO. 9758
  • 2-(4-ethoxybenzyl)-5-nitro-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzimidazole

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
394.48 g/molcalc.
Exact mass
394.2005 Dacalc.
LogP (octanol/water)
4.03calc.
Topological polar surface area
73.43 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
8calc.
Heavy atoms
29calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.41calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccc(Cc2nc3ccccc3n2CCN2CCCC2)cc1

c1ccc(Cc2nc3ccccc3n2CCN2CCCC2)cc1

4 rings, 23 atoms.

3 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.

Etonitazepyne suppliers

Trading restrictions apply to this substance

New psychoactive substance

Etonitazepyne is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971

Our policy on controlled substances

Etonitazepyne 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

New psychoactive substance

Etonitazepyne is prohibited on CompoundList. Listings, quotes and messages are disabled. This page is kept for information only.

Listing and enquiries are not allowed for this substance.

Reference: UN Convention on Psychotropic Substances 1971

Our policy on controlled substances

Controls

  • US DEA controlled substance or listed chemical
  • New psychoactive substance under control

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Etonitazepyne 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 Etonitazepyne is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Etonitazepyne, based on the data on this page

What is Etonitazepyne?

2-(4-ethoxybenzyl)-5-nitro-1-(2-(pyrrolidin-1-yl)ethyl)-1H-benzimidazole is a DEA Schedule I controlled substance. Substances in the DEA Schedule I have no currently accepted medical use in the United States, a lack of accepted safety for use under medical supervision, and a high potential for abuse.

What is the CAS number of Etonitazepyne?

The CAS registry number of Etonitazepyne is 2785346-75-8.

What is the molecular formula and weight of Etonitazepyne?

The molecular formula of Etonitazepyne is C22H26N4O3 and its molar mass is 394.48 g/mol.

What is Etonitazepyne used for?

Known uses and roles of Etonitazepyne include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Etonitazepyne hazardous?

No GHS hazard classification for Etonitazepyne 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 Etonitazepyne?

Etonitazepyne 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 Etonitazepyne on CompoundList?

No. Etonitazepyne 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 Etonitazepyne

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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