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Screening compounds

Ohmefentanyl hydrochloride

Also known as beta-Hydroxy-3-methylfentanyl hydrochloride, Propanamide, N-[1-(2-hydroxy-2-phenylethyl)-3-methyl-4-piperidinyl]-N-phenyl-, hydrochloride (1:1), Propanamide, N-[1-(2-hydroxy-2-phenylethyl)-3-methyl-4-piperidinyl]-N-phenyl-, monohydrochloride

CAS 135159-44-3Formula C23H31ClN2O2Molar mass 402.97 g/mol
Prohibited, not for trade
Why it is not for trade
Ohmefentanyl hydrochloride chemical structure, C23H31ClN2O2, CAS 135159-44-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
135159-44-3
Formula
C23H31ClN2O2
Molar mass
402.97 g/mol
HS code
293339
Category
Screening compounds

What is Ohmefentanyl hydrochloride?

Plain description, key identifiers and synonyms

Ohmefentanyl hydrochloride is a chemical substance with the molecular formula C23H31ClN2O2 and a molar mass of 402.97 g/mol. Its CAS registry number is 135159-44-3. The IUPAC name is N-[1-(2-hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]-N-phenylpropanamide, hydrochloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[1-(2-hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]-N-phenylpropanamide, hydrochloride
CAS number
135159-44-3
Molecular formula
C23H31ClN2O2
UNII
ZJ8A3XT8VW
InChIKey
KQPQDFGRJDIUNS-UHFFFAOYSA-N
InChI
InChI=1S/C23H30N2O2.ClH/c1-3-23(27)25(20-12-8-5-9-13-20)21-14-15-24(16-18(21)2)17-22(26)19-10-6-4-7-11-19;/h4-13,18,21-22,26H,3,14-17H2,1-2H3;1H
SMILES (canonical and isomeric)
CCC(=O)N(C1CCN(CC1C)CC(C2=CC=CC=C2)O)C3=CC=CC=C3.Cl

Synonyms

  • beta-Hydroxy-3-methylfentanyl hydrochloride
  • Propanamide, N-[1-(2-hydroxy-2-phenylethyl)-3-methyl-4-piperidinyl]-N-phenyl-, hydrochloride (1:1)
  • Propanamide, N-[1-(2-hydroxy-2-phenylethyl)-3-methyl-4-piperidinyl]-N-phenyl-, monohydrochloride

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
402.97 g/molcalc.
Exact mass
402.2074 Dacalc.
LogP (octanol/water)
4.3calc.
Topological polar surface area
43.78 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
3calc.
Components
2calc.
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(CCN2CCC(Nc3ccccc3)CC2)cc1

c1ccc(CCN2CCC(Nc3ccccc3)CC2)cc1

3 rings, 21 atoms, the N-Phenyl-1-(2-phenylethyl)-4-piperidinamine ring system.

368 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.

Ohmefentanyl hydrochloride suppliers

Trading restrictions apply to this substance

Narcotic drug

Ohmefentanyl hydrochloride 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 Single Convention on Narcotic Drugs 1961

Our policy on controlled substances

Ohmefentanyl hydrochloride 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

Narcotic drug

Ohmefentanyl hydrochloride 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 Single Convention on Narcotic Drugs 1961

Our policy on controlled substances

Controls

  • Controlled narcotic drug

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ohmefentanyl hydrochloride is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Ohmefentanyl hydrochloride, based on the data on this page

What is Ohmefentanyl hydrochloride?

Ohmefentanyl hydrochloride is a chemical substance with the molecular formula C23H31ClN2O2 and a molar mass of 402.97 g/mol. Its CAS registry number is 135159-44-3. The IUPAC name is N-[1-(2-hydroxy-2-phenylethyl)-3-methylpiperidin-4-yl]-N-phenylpropanamide, hydrochloride.

What is the CAS number of Ohmefentanyl hydrochloride?

The CAS registry number of Ohmefentanyl hydrochloride is 135159-44-3.

What is the molecular formula and weight of Ohmefentanyl hydrochloride?

The molecular formula of Ohmefentanyl hydrochloride is C23H31ClN2O2 and its molar mass is 402.97 g/mol.

What is Ohmefentanyl hydrochloride used for?

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

Is Ohmefentanyl hydrochloride hazardous?

No GHS hazard classification for Ohmefentanyl hydrochloride 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 Ohmefentanyl hydrochloride?

Ohmefentanyl hydrochloride is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Can I buy Ohmefentanyl hydrochloride on CompoundList?

No. Ohmefentanyl hydrochloride 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 Ohmefentanyl hydrochloride

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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