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Impurities and reference standards

Arketamine

Also known as (R)-Ketamine, (+)-Ketamine, d-Ketamine

CAS 33643-49-1Formula C13H16ClNOMolar mass 237.73 g/mol
Prohibited, not for trade
Why it is not for trade
Arketamine chemical structure, C13H16ClNO, CAS 33643-49-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
33643-49-1
Formula
C13H16ClNO
Molar mass
237.73 g/mol
HS code
292239
Category
Impurities and reference standards

What is Arketamine?

Plain description, key identifiers and synonyms

(R)-ketamine is the R- (less active) enantiomer of ketamine. It has a role as an analgesic, an intravenous anaesthetic and a NMDA receptor antagonist. It is an enantiomer of an esketamine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
CAS number
33643-49-1 CAS number cross-checked
Molecular formula
C13H16ClNO
UNII
Y2RI13H7VW
InChIKey
YQEZLKZALYSWHR-CYBMUJFWSA-N
InChI
InChI=1S/C13H16ClNO/c1-15-13(9-5-4-8-12(13)16)10-6-2-3-7-11(10)14/h2-3,6-7,15H,4-5,8-9H2,1H3/t13-/m1/s1
Canonical SMILES
CNC1(c2ccccc2Cl)CCCCC1=O
Isomeric SMILES
CN[C@]1(CCCCC1=O)C2=CC=CC=C2Cl

Synonyms

  • (R)-Ketamine
  • (+)-Ketamine
  • d-Ketamine
  • Ketamine, R-
  • Ketamine, (R)-
  • (S) Ketamine
  • (2R)-2-(2-chlorophenyl)-2-(methylamino)cyclohexanone
  • cyclohexanone, 2-(2-chlorophenyl)-2-(methylamino)-, (2R)-
  • (2R)-2-(o-chlorophenyl)-2-(methylamino)cyclohexanone
  • (2R)-2-(2-chlorophenyl)-2-methylaminocyclohexan-1-one
  • Cyclohexanone, 2-(o-chlorophenyl)-2-(methylamino)-, (+)-
  • (R)-(+)-Ketamine
  • (2R)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
  • (R)-Ketamine (1.0mg/ml in Acetonitrile)
  • (2R)-2-(2-Chlorophenyl)-2-(methylamino)-cyclohexanone, , (R)-2-(2-Chlorophenyl)-2-(methylamino)-cyclohexanone,
  • Esketamine EP Impurity D
  • Esketamine hydrochloride impurity d
  • Cyclohexanone, 2-(2-chlorophenyl)-2-(methylamino)-, (R)-
  • Esketamine impurity D CRS - * narc (R-Ketamine hydrochloride)
  • Cyclohexanone, 2-(2-chlorophenyl)-2-(methylamino)-, (2R)- (9CI)
  • Cyclohexanone, 2-(o-chlorophenyl)-2-(methylamino)-, (+)- (8CI)
  • RKE

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
237.73 g/molcalc.
Exact mass
237.092 Dacalc.
LogP (octanol/water)
2.9calc.
Topological polar surface area
29.1 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
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, O=C1CCCCC1c1ccccc1

O=C1CCCCC1c1ccccc1

2 rings, 13 atoms, the 2-Phenylcyclohexanone ring system.

222 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.

Arketamine suppliers

Trading restrictions apply to this substance

Psychotropic substance

Arketamine 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: India NDPS Act notified psychotropic substance

Our policy on controlled substances

Arketamine 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

Roles

  • NMDA receptor antagonist
  • anaesthetic
  • analgesic
  • antagonist
  • excitatory amino acid antagonist
  • general anaesthetic
  • intravenous anaesthetic
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

Psychotropic substance

Arketamine 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: India NDPS Act notified psychotropic substance

Our policy on controlled substances

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2922.39Indicative HS code

Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than…

World exports in 2024
$187M
−0.3% vs 2023, imports $159M
2019 to 2024
Top exporters
  1. China35.3%
  2. India * partner reported27.7%
  3. Germany12.7%
Top importers
  1. Germany17.3%
  2. United States13.8%
  3. India * partner reported9.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Arketamine?

(R)-ketamine is the R- (less active) enantiomer of ketamine. It has a role as an analgesic, an intravenous anaesthetic and a NMDA receptor antagonist. It is an enantiomer of an esketamine.

What is the CAS number of Arketamine?

The CAS registry number of Arketamine is 33643-49-1.

What is the molecular formula and weight of Arketamine?

The molecular formula of Arketamine is C13H16ClNO and its molar mass is 237.73 g/mol.

What is Arketamine used for?

Known uses and roles of Arketamine include nmda receptor antagonist, anaesthetic, analgesic, antagonist, excitatory amino acid antagonist and 3 more.

Is Arketamine hazardous?

No GHS hazard classification for Arketamine 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 Arketamine?

Arketamine is usually classified under HS code 292239 (Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than…). This is indicative, confirm it with your customs broker before shipping.

Can I buy Arketamine on CompoundList?

No. Arketamine 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 Arketamine

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 Impurities and reference standards or HS code 292239

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