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Screening compounds

Kopsanone

Also known as 22-Oxokopsan, (-)-Kopsanone, (3aR,5R,5aR,10bR,11R,13aS)-2,3,4,5,11,12-Hexahydro-6H,13ah-3a,5a-ethano-5,11-methano-1H-indolizino(8,1-cd)carbazol-14-one

CAS 6662-83-5Formula C20H22N2OMolar mass 306.41 g/mol
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Kopsanone chemical structure, C20H22N2O, CAS 6662-83-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6662-83-5
Formula
C20H22N2O
Molar mass
306.41 g/mol
HS code
293399
Category
Screening compounds

What is Kopsanone?

Plain description, key identifiers and synonyms

(-)-Kopsanone has been reported in Kopsia officinalis, Kopsia fruticosa, and Kopsia arborea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,4R,12R,13S,16R,18R)-5,14-diazaheptacyclo[12.5.3.01,13.04,12.04,18.06,11.012,16]docosa-6,8,10-trien-17-one
CAS number
6662-83-5 CAS number cross-checked
Molecular formula
C20H22N2O
UNII
3GFZ578CMF
InChIKey
RFDVSXYPLPEIGZ-ZLARMEDBSA-N
InChI
InChI=1S/C20H22N2O/c23-16-13-10-18-6-3-9-22-11-14(16)20(17(18)22)12-4-1-2-5-15(12)21-19(13,20)8-7-18/h1-2,4-5,13-14,17,21H,3,6-11H2/t13-,14+,17-,18+,19+,20-/m0/s1
Canonical SMILES
O=C1C2CC34CCCN5CC1C1(c6ccccc6NC21CC3)C54
Isomeric SMILES
C1C[C@@]23CC[C@@]45[C@@H](C2)C(=O)[C@@H]6[C@]4([C@H]3N(C1)C6)C7=CC=CC=C7N5

Synonyms

  • 22-Oxokopsan
  • (-)-Kopsanone
  • (3aR,5R,5aR,10bR,11R,13aS)-2,3,4,5,11,12-Hexahydro-6H,13ah-3a,5a-ethano-5,11-methano-1H-indolizino(8,1-cd)carbazol-14-one
  • 6H,13Ah-3a,5a-ethano-5,11-methano-1H-indolizino(8,1-cd)carbazol-14-one, 2,3,4,5,11,12-hexahydro-, (3aR,5R,5aR,10bR,11R,13aS)-
  • (1R,4R,12R,13S,16R,18R)-5,14-diazaheptacyclo(12.5.3.01,13.04,12.04,18.06,11.012,16)docosa-6,8,10-trien-17-one
  • (1R,4R,12R,13S,16R,18R)-5,14-diazaheptacyclo[12.5.3.01,13.04,12.04,18.06,11.012,16]docosa-6,8,10-trien-17-one
  • (3aR,5R,5aR,10bR,11R,13aS)-2,3,4,5,11,12-Hexahydro-6H,13aH-3a,5a-ethano-5,11-methano-1H-indolizino[8,1-cd]carbazol-14-one
  • 5,14-diazaheptacyclo(12.5.3.01,13.04,12.04,18.06,11.012,16)docosa-6,8,10-trien-17-one
  • 5,14-diazaheptacyclo[12.5.3.01,13.04,12.04,18.06,11.012,16]docosa-6,8,10-trien-17-one
  • Kopsan-22-one

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
306.41 g/molcalc.
Exact mass
306.1732 Dacalc.
LogP (octanol/water)
2.57calc.
Topological polar surface area
32.34 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
23calc.
Rings
8calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.65calc.
Formal charge
0calc.
Stereocentres
6calc.
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=C1C2CC34CCCN5CC1C1(c6ccccc6NC21CC3)C54

O=C1C2CC34CCCN5CC1C1(c6ccccc6NC21CC3)C54

8 rings, 23 atoms.

1 other chemical 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.

Kopsanone suppliers

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Kopsanone 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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

Frequently asked questions

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

What is Kopsanone?

(-)-Kopsanone has been reported in Kopsia officinalis, Kopsia fruticosa, and Kopsia arborea.

What is the CAS number of Kopsanone?

The CAS registry number of Kopsanone is 6662-83-5.

What is the molecular formula and weight of Kopsanone?

The molecular formula of Kopsanone is C20H22N2O and its molar mass is 306.41 g/mol.

What is Kopsanone used for?

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

Is Kopsanone hazardous?

No GHS hazard classification for Kopsanone 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 Kopsanone?

Kopsanone 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 Kopsanone?

Post a free request on CompoundList and suppliers of Kopsanone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Kopsanone?

Suppliers quote Kopsanone 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 Kopsanone

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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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