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Fluorescent probes and labels

Normethadone

Also known as Mepidon, Isomethadone I, Eucopon

CAS 467-85-6Formula C20H25NOMolar mass 295.43 g/molEC 207-401-1
Prohibited, not for trade
Why it is not for trade
Normethadone chemical structure, C20H25NO, CAS 467-85-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
467-85-6
Formula
C20H25NO
Molar mass
295.43 g/mol
EC number
207-401-1
HS code
292231
Category
Fluorescent probes and labels

What is Normethadone?

Plain description, key identifiers and synonyms

Normethadone is a diarylmethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-(dimethylamino)-4,4-diphenylhexan-3-one
CAS number
467-85-6 CAS number cross-checked
EC number
207-401-1
Molecular formula
C20H25NO
UNII
KR2L2A68XL
InChIKey
WCJFBSYALHQBSK-UHFFFAOYSA-N
InChI
InChI=1S/C20H25NO/c1-4-19(22)20(15-16-21(2)3,17-11-7-5-8-12-17)18-13-9-6-10-14-18/h5-14H,4,15-16H2,1-3H3
SMILES (canonical and isomeric)
CCC(=O)C(CCN(C)C)(C1=CC=CC=C1)C2=CC=CC=C2

Synonyms

  • Mepidon
  • Isomethadone I
  • Eucopon
  • Phenyldimazone
  • Hoechst 10582
  • Normetadona
  • Normethadonum
  • Normetadone
  • 6-Dimethylamino-4,4-diphenyl-3-hexanone
  • 6-(dimethylamino)-4,4-diphenylhexan-3-one
  • nor-methadone
  • 6-dimethylamino-4,4-diphenylhexan-3-one
  • Desmethylmethadone
  • Noramidone
  • Normedon
  • Dacartil
  • Isoamidone I
  • DEA No. 9635
  • 3-Hexanone, 6-(dimethylamino)-4,4-diphenyl-
  • Normethadone (INN)
  • 6-Dimethylamino-4,4-diphenyl-3-hexanon
  • Normethadon
  • 1-dimethylamino-3,3-diphenyl-4-hexanone
  • Nonmethadone
  • 3-Hexanone,4-diphenyl-
Show all 29 synonyms
  • 4-14-00-00297 (Beilstein Handbook Reference)
  • 6-Dimethylamio-4-diphenyl-3-hexanone
  • propane, 1-dimethylamino-3-ethylcarbonyl-3,3-diphenyl-
  • 1,1-Diphenyl-1-(2-dimethylaminoethyl)-2-butanone

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
295.43 g/molcalc.
Exact mass
295.1936 Dacalc.
LogP (octanol/water)
3.9calc.
Topological polar surface area
20.31 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
7calc.
Heavy atoms
22calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.35calc.
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(Cc2ccccc2)cc1

c1ccc(Cc2ccccc2)cc1

2 rings, 13 atoms, the Diphenylmethane ring system.

8,982 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.

Normethadone suppliers

Trading restrictions apply to this substance

Narcotic drug

Normethadone 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, HS 2022 subheading 2922.31 (methadone and related analgesics)

Our policy on controlled substances

Normethadone 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

Pharmacological actions

  • Analgesics, Opioid
  • Antitussive Agents

Roles

  • antitussive
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

Narcotic drug

Normethadone 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, HS 2022 subheading 2922.31 (methadone and related analgesics)

Our policy on controlled substances

Controls

  • US DEA controlled substance or listed chemical
  • 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 Normethadone is traded under.

HS 2922.31Exact HS code

Amfepramone (INN), methadone (INN) and normethadone (INN), salts thereof

World exports in 2024
$10.4M
−27.4% vs 2023, imports $8.56M
2019 to 2024
Top exporters
  1. Switzerland * partner reported26.4%
  2. India * partner reported21.1%
  3. Slovakia10.0%
Top importers
  1. Italy17.5%
  2. Germany15.5%
  3. Poland10.7%

* Partner reported figures, a lower bound.

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

The HS code shown for Normethadone is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Normethadone?

Normethadone is a diarylmethane.

What is the CAS number of Normethadone?

The CAS registry number of Normethadone is 467-85-6.

What is the molecular formula and weight of Normethadone?

The molecular formula of Normethadone is C20H25NO and its molar mass is 295.43 g/mol.

What is Normethadone used for?

Known uses and roles of Normethadone include fluorescent probes in research and laboratory, antitussive, pharmaceutical, analgesics, opioid and antitussive agents.

Is Normethadone hazardous?

No GHS hazard classification for Normethadone 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 Normethadone?

Normethadone is usually classified under HS code 292231 (Amfepramone (INN), methadone (INN) and normethadone (INN), salts thereof). This is indicative, confirm it with your customs broker before shipping.

Can I buy Normethadone on CompoundList?

No. Normethadone 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 Normethadone

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

Explore more in Fluorescent probes and labels or HS code 292231

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