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Screening compounds

Carpoxidine

Also known as Ophiocarpine N-oxide, (-)-Ophiocarpine N-oxide, 6H-Benzo(g)-1,3-benzodioxolo(5,6-a)quinolizin-13-ol, 5,8,13,13a-tetrahydro-9,10-dimethoxy-, 7-oxide, (7S-(7alpha,13alpha,13abeta))-

CAS 66408-19-3Formula C20H21NO6Molar mass 371.39 g/mol
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Carpoxidine chemical structure, C20H21NO6, CAS 66408-19-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
66408-19-3
Formula
C20H21NO6
Molar mass
371.39 g/mol
HS code
293499
Category
Screening compounds

What is Carpoxidine?

Plain description, key identifiers and synonyms

Carpoxidine is a chemical substance with the molecular formula C20H21NO6 and a molar mass of 371.39 g/mol. Its CAS registry number is 66408-19-3. The IUPAC name is 16,17-dimethoxy-13-oxido-5,7-dioxa-13-azoniapentacyclo[11.8.0.02,10.04,8.015,20]henicosa-2,4(8),9,15(20),16,18-hexaen-21-ol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
16,17-dimethoxy-13-oxido-5,7-dioxa-13-azoniapentacyclo[11.8.0.02,10.04,8.015,20]henicosa-2,4(8),9,15(20),16,18-hexaen-21-ol
CAS number
66408-19-3 CAS number cross-checked
Molecular formula
C20H21NO6
InChIKey
OAZLDYLMBSFNAY-UHFFFAOYSA-N
InChI
InChI=1S/C20H21NO6/c1-24-15-4-3-12-14(20(15)25-2)9-21(23)6-5-11-7-16-17(27-10-26-16)8-13(11)18(21)19(12)22/h3-4,7-8,18-19,22H,5-6,9-10H2,1-2H3
SMILES (canonical and isomeric)
COC1=C(C2=C(C=C1)C(C3C4=CC5=C(C=C4CC[N+]3(C2)[O-])OCO5)O)OC

Synonyms

  • Ophiocarpine N-oxide
  • (-)-Ophiocarpine N-oxide
  • 6H-Benzo(g)-1,3-benzodioxolo(5,6-a)quinolizin-13-ol, 5,8,13,13a-tetrahydro-9,10-dimethoxy-, 7-oxide, (7S-(7alpha,13alpha,13abeta))-
  • 9,10-Dimethoxy-7-oxo-5,6,7,8,13,13a-hexahydro-2H-7lambda~5~-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-13-ol

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
371.39 g/molcalc.
Exact mass
371.1369 Dacalc.
LogP (octanol/water)
2.59calc.
Topological polar surface area
80.21 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
5calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.4calc.
Formal charge
0calc.
Stereocentres
3calc.
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, c1ccc2c(c1)CC1c3cc4c(cc3CCN1C2)OCO4

c1ccc2c(c1)CC1c3cc4c(cc3CCN1C2)OCO4

5 rings, 21 atoms.

27 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.

Carpoxidine suppliers

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Carpoxidine 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 Carpoxidine is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Carpoxidine?

Carpoxidine is a chemical substance with the molecular formula C20H21NO6 and a molar mass of 371.39 g/mol. Its CAS registry number is 66408-19-3. The IUPAC name is 16,17-dimethoxy-13-oxido-5,7-dioxa-13-azoniapentacyclo[11.8.0.02,10.04,8.015,20]henicosa-2,4(8),9,15(20),16,18-hexaen-21-ol.

What is the CAS number of Carpoxidine?

The CAS registry number of Carpoxidine is 66408-19-3.

What is the molecular formula and weight of Carpoxidine?

The molecular formula of Carpoxidine is C20H21NO6 and its molar mass is 371.39 g/mol.

What is Carpoxidine used for?

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

Is Carpoxidine hazardous?

No GHS hazard classification for Carpoxidine 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 Carpoxidine?

Carpoxidine is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Carpoxidine?

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What is the price of Carpoxidine?

Suppliers quote Carpoxidine 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 Carpoxidine

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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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