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Heterocyclic building blocks

Cotarninium

Also known as Cotarninium ion, Cotarninium cation, Cotarnine chloride cation

CAS 20276-45-3Formula C12H14NO3+Molar mass 220.25 g/mol
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Cotarninium chemical structure, C12H14NO3+, CAS 20276-45-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20276-45-3
Formula
C12H14NO3+
Molar mass
220.25 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is Cotarninium?

Plain description, key identifiers and synonyms

Cotarninium is a member of isoquinolines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-methoxy-6-methyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium
CAS number
20276-45-3
Molecular formula
C12H14NO3+
UNII
4SIM4898JC
InChIKey
KGZAOSLMBZSSTE-UHFFFAOYSA-N
InChI
InChI=1S/C12H14NO3/c1-13-4-3-8-5-10-12(16-7-15-10)11(14-2)9(8)6-13/h5-6H,3-4,7H2,1-2H3/q+1
SMILES (canonical and isomeric)
C[N+]1=CC2=C(C3=C(C=C2CC1)OCO3)OC

Synonyms

  • Cotarninium ion
  • Cotarninium cation
  • Cotarnine chloride cation
  • 4-methoxy-6-methyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium
  • 1,3-Dioxolo(4,5-g)isoquinolinium, 7,8-dihydro-4-methoxy-6-methyl-
  • 4-methoxy-6-methyl-7,8-dihydro-(1,3)dioxolo(4,5-g)isoquinolin-6-ium
  • 4-methoxy-6-methyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium, chloride
  • 1,3-Dioxolo[4,5-g]isoquinolinium,7,8-dihydro-4-methoxy-6-methyl-, chloride (1:1)
  • 4-methoxy-6-methyl-7,8-dihydro[1,3]dioxolo[4,5-g]isoquinolin-6-ium

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
220.25 g/molcalc.
Exact mass
220.0968 Dacalc.
LogP (octanol/water)
1.04calc.
Topological polar surface area
30.7 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
16calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.42calc.
Formal charge
1calc.
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, C1=NCCc2cc3c(cc21)OCO3

C1=NCCc2cc3c(cc21)OCO3

3 rings, 13 atoms, the 2H,7H,8H-[1,3]Dioxolo[4,5-g]isoquinoline ring system.

11 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.

Cotarninium suppliers

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Cotarninium 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 Cotarninium 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 Cotarninium is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cotarninium?

Cotarninium is a member of isoquinolines.

What is the CAS number of Cotarninium?

The CAS registry number of Cotarninium is 20276-45-3.

What is the molecular formula and weight of Cotarninium?

The molecular formula of Cotarninium is C12H14NO3+ and its molar mass is 220.25 g/mol.

What is Cotarninium used for?

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

Is Cotarninium hazardous?

No GHS hazard classification for Cotarninium 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 Cotarninium?

Cotarninium 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 Cotarninium?

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

What is the price of Cotarninium?

Suppliers quote Cotarninium 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 Cotarninium

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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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